Which of the following is the correct ranking in decreasing order of relative Boiling Point of carbonyl containing compounds? (a) primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone (b) ester > carboxylic acid >> amide ~ acyl chloride ~ aldehyde ~ ketone (c) aldehyde ~ ketone > carboxylic acid >> ester ~ acyl chloride ~ amide(d) carboxylic acid > amide >> ester ~ acyl chloride ~ aldehyde ~ ketone

Which of the following is the correct ranking in decreasing order of relative
Boiling Point of carbonyl containing compounds?
(a) primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone
(b) ester > carboxylic acid >> amide ~ acyl chloride ~ aldehyde ~ ketone
(c) aldehyde ~ ketone > carboxylic acid >> ester ~ acyl chloride ~ amide
(d) carboxylic acid > amide >> ester ~ acyl chloride ~ aldehyde ~ ketone
by

1 Answer

Answer :

primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone
by

Related questions

Oxidation of a secondary alcohol with K2Cr2O7/H+ produces (a) a carboxylic acid (b) a ketone (c) an aldehyde (d) an ester

Description : Oxidation of a secondary alcohol with K2Cr2O7/H+ produces (a) a carboxylic acid (b) a ketone (c) an aldehyde (d) an ester

Last Answer : a ketone

Dry ice on reaction with GR gives_______ a) Ester b) Carboxylic acid c) Aldehyde d) Ketone

Description : Dry ice on reaction with GR gives_______ a) Ester b) Carboxylic acid c) Aldehyde d) Ketone

Last Answer : b) Carboxylic acid

Consider a small aliphatic 1° amine, 1° alcohol, ester, carboxylic acid, and amide, all of similar molecular weight. Which one is most likely to have thehighest boiling point?(a) The amide(b) The alcohol(c) The ester(d) The carboxylic acid

Description : Consider a small aliphatic 1° amine, 1° alcohol, ester, carboxylic acid, and amide, all of similar molecular weight. Which one is most likely to have the highest boiling point? (a) The amide (b) The alcohol (c) The ester (d) The carboxylic acid

Last Answer : The amide

Why do aldehydes undergo nucleophilic addition reactions while esters undergo nucleophilic acyl substitution reactions? (a) The carbonyl carbon of an ester is more electrophilic than that of an aldehyde. (b) Aldehydes are more sterically hindered than esters. (c) Once the nucleophile adds to an aldehyde, the tetrahedral intermediate is too sterically hindered to eliminate one of the attached groups. (d) Once the nucleophile adds to an aldehyde, neither H− nor R− can be eliminated since they are strongly basic

Description : Why do aldehydes undergo nucleophilic addition reactions while esters undergo nucleophilic acyl substitution reactions? (a) The carbonyl carbon of an ester is more electrophilic than that of an aldehyde. (b) ... adds to an aldehyde, neither H− nor R− can be eliminated since they are strongly basic

Last Answer : Once the nucleophile adds to an aldehyde, neither H− nor R− can be eliminated since they are strongly basic

Cyclohexanone is an example of: w) an aldehyde x) a carboxylic acid y) an alkyne z) a ketone

Description : Cyclohexanone is an example of: w) an aldehyde x) a carboxylic acid y) an alkyne z) a ketone

Last Answer : ANSWER: Z -- A KETONE 

An aldehyde can be oxidized to form: w) a ketone x) an acid y) an alcohol z) an ester

Description : An aldehyde can be oxidized to form: w) a ketone x) an acid y) an alcohol z) an ester 

Last Answer : ANSWER: X -- AN ACID

Acid and alcohol react to form (a) Aldehyde and water (b) Ketone and water (c) Acid anhydride and water (d) Ester and water

Description : Acid and alcohol react to form (a) Aldehyde and water (b) Ketone and water (c) Acid anhydride and water (d) Ester and water

Last Answer : Ans:(d)

An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (A) could be (a) an aldehyde (b) a ketone (c) an alcohol (d) an ester

Description : An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (A) could be (a) an aldehyde (b) a ketone (c) an alcohol (d) an ester

Last Answer : an alcohol

Alkyl cyanide on reduction gives….. a. primary amine b. secondary amine c. amide d. carboxylic acid

Description : Alkyl cyanide on reduction gives….. a. primary amine b. secondary amine c. amide d. carboxylic acid

Last Answer : a. primary amine

Ethylmagnesium iodide reacts with formaldehyde to give a product which on acid-hydrolysis forms : (a) an aldehyde (b) a primary alcohol (c) a ketone (d) a secondary alcohol

Description : Ethylmagnesium iodide reacts with formaldehyde to give a product which on acid-hydrolysis forms : (a) an aldehyde (b) a primary alcohol (c) a ketone (d) a secondary alcohol

Last Answer : a primary alcohol

Which of the following is correct? (a) When a Grignard reagent reacts with a ketone, the addition product is a primary alcohol. (b) When a Grignard reagent reacts with a ketone, the addition product is a secondaryalcoho(c) When a Grignard reagent reacts with a aldehyde, the addition product is a tertiary alcohol. (d) None of the above are correct.l

Description : Which of the following is correct? (a) When a Grignard reagent reacts with a ketone, the addition product is a primary alcohol. (b) When a Grignard reagent reacts with a ketone, the addition product ... with a aldehyde, the addition product is a tertiary alcohol. (d) None of the above are correct.

Last Answer : None of the above are correct.

The reduction of a ketone (a) always gives a primary alcohol (b) always gives a secondary alcohol (c) always gives a carboxylic acid (d) always gives a ketal

Description : The reduction of a ketone (a) always gives a primary alcohol (b) always gives a secondary alcohol (c) always gives a carboxylic acid (d) always gives a ketal

Last Answer : always gives a secondary alcoho

Oxidation of a primary alcohol with produces (a) a carboxylic acid (b) an ethe(c) a ketone (d) an esterr

Description : Oxidation of a primary alcohol with produces (a) a carboxylic acid (b) an ether (c) a ketone (d) an ester

Last Answer : a carboxylic acid

Which one of the following organic compounds has fruity smell? (1) Alcohol (2) Aldehyde (3) Ester (4) Ether

Description : Which one of the following organic compounds has fruity smell? (1) Alcohol (2) Aldehyde (3) Ester (4) Ether

Last Answer : (3) Ester Explanation: Esters are common in organic chemistry and biological materials, and often have a characteristic pleasant, fruity odour. This leads to their extensive use in the fragrance and ... ester as the reaction product. Esters are widespread in nature and are widely used in industry.

Which one of the following organic compounds has fruity smell? (1) Alcohol (2) Aldehyde (3) Ester (4) Ether

Description : Which one of the following organic compounds has fruity smell? (1) Alcohol (2) Aldehyde (3) Ester (4) Ether

Last Answer : Ester

The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary alcohol is known as cannizzaro reaction.

Description : The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary alcohol is known as cannizzaro reaction.

Last Answer : The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary ... final product is A. B. C. D.

The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary alcohol is known as cannizzaro reaction.

Description : The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary alcohol is known as cannizzaro reaction.

Last Answer : The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary ... C. step III D. step I and II both

The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary alcohol is known as cannizzaro reaction.

Description : The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary alcohol is known as cannizzaro reaction.

Last Answer : The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary ... final product is A. B. C. D.

The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary alcohol is known as cannizzaro reaction.

Description : The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary alcohol is known as cannizzaro reaction.

Last Answer : The conversion of aldehyde having no alpha hydrogen to a mixture to a mixture of carboxylic acid and primary ... C. step III D. step I and II both

Organic compound (A), C4H8O, does not react with sodium or PCl5. However, it reduces an alkaline solution of a copper (II) salt on heating. Compound (A) could be (a) an aldehyde (b) a primary alcohol (c) a ketone (d) a secondary alcohol

Description : Organic compound (A), C4H8O, does not react with sodium or PCl5. However, it reduces an alkaline solution of a copper (II) salt on heating. Compound (A) could be (a) an aldehyde (b) a primary alcohol (c) a ketone (d) a secondary alcohol

Last Answer : an aldehyde

Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an aldol condensation reaction. (a)2-Ethyl-3-hydroxy

Description : Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an aldol condensation reaction. (a)2-Ethyl-3-hydroxy

Last Answer : Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an ... hexanal (b) 4-Hydroxy-4-methyl-2-pentanone

Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an aldol condensation reaction. (a)2-Ethyl-3-hydroxy

Description : Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an aldol condensation reaction. (a)2-Ethyl-3-hydroxy

Last Answer : Indicate the starting aldehyde or ketone from which each of the following compounds are formed by an ... hexanal (b) 4-Hydroxy-4-methyl-2-pentanone

An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (B) could be (a) a carbonyl compound (b) an alcohol (c) a carboxylic acid (d) an ether

Description : An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (B) could be (a) a carbonyl compound (b) an alcohol (c) a carboxylic acid (d) an ether

Last Answer : a carbonyl compound

Esters and amides are most easily made by nucleophilic acyl substitution reactions on : (a) acid anhydrides (b) carboxylates (c) carboxylic acids (d) acid chlorides

Description : Esters and amides are most easily made by nucleophilic acyl substitution reactions on : (a) acid anhydrides (b) carboxylates (c) carboxylic acids (d) acid chlorides

Last Answer : acid chlorides

During preparation of esters from a carboxylic acid and an alcohol in the presence of an acid catalyst, water or the ester formed should be removed as soon as it is formed.

Description : During preparation of esters from a carboxylic acid and an alcohol in the presence of an acid catalyst, water or the ester formed should be removed as soon as it is formed.

Last Answer : Ans. The formation of esters from a carboxylic acid and an alcohol in the presence of acid catalyst in a reversible reaction. To shift the equilibrium in the forward direction, the water or ester formed should be removed as fast as it is formed.

A compound undergoes reduction with LiAlH4. It also dissolves in aqueous NaOH from which it can be recovered by addition of HCl. The compound is (a) a carboxylic acid (b) an ester (c) an acid anhydride (d) an alcohol

Description : A compound undergoes reduction with LiAlH4. It also dissolves in aqueous NaOH from which it can be recovered by addition of HCl. The compound is (a) a carboxylic acid (b) an ester (c) an acid anhydride (d) an alcohol

Last Answer : a carboxylic acid

Which reaction does not yield an ester as one of the products?(a) A carboxylic acid is heated with an alcohol (b) A Grignard reagent is added to a carboxylic acid (c) An acid halide is treated with an alcohol (d) An alkyl halide is heated with the salt of a carboxylic acid

Description : Which reaction does not yield an ester as one of the products? (a) A carboxylic acid is heated with an alcohol (b) A Grignard reagent is added to a carboxylic acid (c) An acid halide is treated with an alcohol (d) An alkyl halide is heated with the salt of a carboxylic acid

Last Answer : A Grignard reagent is added to a carboxylic acid

An alcohol is related to an ester as a hydroxide compound is related to: w) an acid x) a ketone y) an ether z) a salt

Description : An alcohol is related to an ester as a hydroxide compound is related to: w) an acid x) a ketone y) an ether z) a salt

Last Answer : ANSWER: Z -- A SALT

What is the hybridization and geometry of the carbonyl carbon in carboxylic acids and their derivatives? (a) sp3, tetrahedral (b) sp2, trigonal planar (c) sp2, tetrahedral (d) sp3, trigonal planar

Description : What is the hybridization and geometry of the carbonyl carbon in carboxylic acids and their derivatives? (a) sp3, tetrahedral (b) sp2, trigonal planar (c) sp2, tetrahedral (d) sp3, trigonal planar

Last Answer : sp2, trigonal planar

What is the hybridization of the carbonyl oxygen in carboxylic acids? (a) sp (b) sp2 (c) sp3 (d) s-sp2

Description : What is the hybridization of the carbonyl oxygen in carboxylic acids? (a) sp (b) sp2 (c) sp3 (d) s-sp2

Last Answer : sp2

Decomposition of the acetyl salicylic acid at room temperature most likely would occur by (a) Oxidation of the ester (b) Reduction of the carboxylic acid (c) Hydrolysis of the ester

Description : Decomposition of the acetyl salicylic acid at room temperature most likely would occur by (a) Oxidation of the ester (b) Reduction of the carboxylic acid (c) Hydrolysis of the ester

Last Answer : Ans: C

The mutarotation of glucose is characterized by : (a) a change from an aldehyde to ketone structure. (b) a change of specific rotation from a (+) to a (–) value. (c) the presence of an intramolecular bridge structure. (d) the irreversible change from α-D to the β-D form.

Description : The mutarotation of glucose is characterized by : (a) a change from an aldehyde to ketone structure. (b) a change of specific rotation from a (+) to a (–) value. (c) the presence of an intramolecular bridge structure. (d) the irreversible change from α-D to the β-D form.

Last Answer : the presence of an intramolecular bridge structure.

. Monosaccharides are classified according to : (a) the number of carbon atoms in the molecule. (b) whether they contain an aldehyde or a ketone group(c) their configurational relationship to glyceraldehyde.(d) all of the above

Description : . Monosaccharides are classified according to : (a) the number of carbon atoms in the molecule. (b) whether they contain an aldehyde or a ketone group (c) their configurational relationship to glyceraldehyde. (d) all of the above

Last Answer : all of the above

An aqueous solution of glucose behaves as an aldehyde because __________. (a) it is hydrolyzed by water to the free aldehyde (b) it is a ketone, but is in equilibrium with the aldehyde form (c) glucose is actually a cyclic aldehyde (d) its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form

Description : An aqueous solution of glucose behaves as an aldehyde because __________. (a) it is hydrolyzed by water to the free aldehyde (b) it is a ketone, but is in equilibrium with the aldehyde form ... aldehyde (d) its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form

Last Answer : its cyclic hemiacetal, the predominant form, is in equilibrium with the free aldehyde form

The appearance of a silver mirror in Tollens' test indicates the presence of : (a) an aldehyde (b) a ketone (c) an alcohol (d) an alkene

Description : The appearance of a silver mirror in Tollens' test indicates the presence of : (a) an aldehyde (b) a ketone (c) an alcohol (d) an alkene

Last Answer : an aldehyde

The local anaesthetics having amide linkage differ from those having ester linkage in that the amidelinked local anaesthetics: A. Are not surface anaesthetics B. Have a shorter duration of action C. Are degraded in the plasma D. Do not show cross-sensitivity with esterlinked local anaesthetic

Description : The local anaesthetics having amide linkage differ from those having ester linkage in that the amidelinked local anaesthetics: A. Are not surface anaesthetics B. Have a shorter duration of action C. Are degraded in the plasma D. Do not show cross-sensitivity with esterlinked local anaesthetic

Last Answer : D. Do not show cross-sensitivity with esterlinked local anaesth

Which of the following compounds will not be easily oxidized? (a) Primary alcohol (b) Secondary alcohol (c) Tertiary alcohol (d) Aldehyde

Description : Which of the following compounds will not be easily oxidized? (a) Primary alcohol (b) Secondary alcohol (c) Tertiary alcohol (d) Aldehyde

Last Answer : Tertiary alcohol

Group that reacts in the Biuret test: (A) Peptide (B) Amino group (C) Carboxylic group (D) Aldehyde group

Description : Group that reacts in the Biuret test: (A) Peptide (B) Amino group (C) Carboxylic group (D) Aldehyde group

Last Answer : Answer : A

Chlorophyll a molecule at its carbon atom 3 of the pyrrole ring II has one of the following (a) carboxylic group (b) magnesium (c) aldehyde group (d) methyl group

Description : Chlorophyll a molecule at its carbon atom 3 of the pyrrole ring II has one of the following (a) carboxylic group (b) magnesium (c) aldehyde group (d) methyl group

Last Answer : d) methyl group.

At the lowest energy level α-helix of polypeptide chain is stabilised (A) By hydrogen bonds formed between the H of peptide N and the carbonyl O of the residue (B) Disulphide bonds (C) Non polar bonds (D) Ester bonds

Description : At the lowest energy level α-helix of polypeptide chain is stabilised (A) By hydrogen bonds formed between the H of peptide N and the carbonyl O of the residue (B) Disulphide bonds (C) Non polar bonds (D) Ester bonds

Last Answer : Answer : A

When semicarbazide reacts with a ketone (or aldehyde) to form semicarbazone. Only one nitrogen atom of semicarbazide acts as a nucleophile and attack

Description : When semicarbazide reacts with a ketone (or aldehyde) to form semicarbazone. Only one nitrogen atom of semicarbazide acts as a nucleophile and attack

Last Answer : When semicarbazide reacts with a ketone (or aldehyde) to form semicarbazone. Only one ... atoms of semicarbazide are relatively non nucleophilic ?

Which disaccharide has no free aldehyde or ketone group?

Description : Which disaccharide has no free aldehyde or ketone group?

Last Answer : Sucrose.

Saw dust can be rendered chemically inert by boiling it in water containing (A) Ferrous sulphate (B) Potassium chloride (C) Ammonia (D) Nitric acid

Description : Saw dust can be rendered chemically inert by boiling it in water containing (A) Ferrous sulphate (B) Potassium chloride (C) Ammonia (D) Nitric acid

Last Answer : Answer: Option A

Acetyl chloride undergoes nucleophilic substitution at a faster rate than methyl acetate because __________. (a) the ester is more sterically hindered than the acid chloride (b) the acid chloride is more sterically hindered than the ester (c) the methoxide is a better leaving group than chloride (d) chloride is a better leaving group than methoxide

Description : Acetyl chloride undergoes nucleophilic substitution at a faster rate than methyl acetate because __________. (a) the ester is more sterically hindered than the acid chloride (b) the acid chloride is ... is a better leaving group than chloride (d) chloride is a better leaving group than methoxide

Last Answer : chloride is a better leaving group than methoxide

Which of the following is not a correct statement concerning the FriedelCrafts acylation of benzene? (a) An alkyl group substitutes for a hydrogen. (b) The benzene ring attacks an acylium ion. (c) The acylium ion is resonance stabilized. (d) The acylium ion is often produced from an acyl chloride.

Description : Which of the following is not a correct statement concerning the FriedelCrafts acylation of benzene? (a) An alkyl group substitutes for a hydrogen. (b) The benzene ring attacks an acylium ion. (c) The acylium ion is resonance stabilized. (d) The acylium ion is often produced from an acyl chloride.

Last Answer : An alkyl group substitutes for a hydrogen

Benzoic acid and diphenyl ketone are both solids insoluble in water. A mixture of these compounds can be separated if we (a) add the mixture to a solution of NaOH in water, and filter. (b) add the mixture to a solution of HCl in water, and filter. (c) dissolve the mixture in benzene and boil off the benzene. (d) It is impossible to separate a mixture of two solids when both are insoluble in water.

Description : Benzoic acid and diphenyl ketone are both solids insoluble in water. A mixture of these compounds can be separated if we (a) add the mixture to a solution of NaOH in water, and filter. (b) add ... benzene. (d) It is impossible to separate a mixture of two solids when both are insoluble in water.

Last Answer : add the mixture to a solution of NaOH in water, and filter

What property of low-molecular weight aldehydes and ketones accounts for the magnitude of their boiling points? (a) The ability to form strong H-bonds between their molecules. (b) The ability of the carbonyl oxygen to form H-bonds with other carbonyl groups. (c) The ability of the polar carbonyl group to attract other polar molecules. (d) The ability of the carbonyl group to attract electrophiles and form bonds.

Description : What property of low-molecular weight aldehydes and ketones accounts for the magnitude of their boiling points? (a) The ability to form strong H-bonds between their molecules. (b) The ability of ... other polar molecules. (d) The ability of the carbonyl group to attract electrophiles and form bonds.

Last Answer : The ability of the polar carbonyl group to attract other polar molecules.

Which is the correct order of decreasing acidity in the following compounds? A. H2O B. CH3CH3 C. NH3 D. CH2=CH2 E. HC≡CH (a) A > E > C > D > B (b) A > E > D > B > C (c) E > A > C > B > D (d) A > C > E > D > B

Description : Which is the correct order of decreasing acidity in the following compounds? A. H2O B. CH3CH3 C. NH3 D. CH2=CH2 E. HC≡CH (a) A > E > C > D > B (b) A > E > D > B > C (c) E > A > C > B > D (d) A > C > E > D > B

Last Answer : A > E > C > D > B

Tear gas is – (1) Chloroprene (2) Carbonyl chloride (3) Nitrous oxide (4) Bleaching powder

Description : Tear gas is – (1) Chloroprene (2) Carbonyl chloride (3) Nitrous oxide (4) Bleaching powder

Last Answer : (2) Carbonyl chloride Explanation: Tear gas, formally known as a lachrymatory agent or ladnymator (from lacrima meaning "tear" in Latin), is a non-lethal chemical weapon that ... temporary blindness, etc. Lachrymators are thought to act by attacking sulphydryl functional groups in enzymes.

Carbonyl chloride reacts with ammonia to give (a) Urea (b) Acetone (c) Acetamide (d) Chloroform

Description : Carbonyl chloride reacts with ammonia to give (a) Urea (b) Acetone (c) Acetamide (d) Chloroform

Last Answer : Urea