What are carboxylic acids? Write their general formula.

What are carboxylic acids? Write their general formula.
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1 Answer

Answer :

Compounds containing –COOH as the functional group are called Carboxylic acids. Their

general formula is R – COOH.
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Related questions

Write the molecular formula of first five members of carboxylic acid.

Description : Write the molecular formula of first five members of carboxylic acid.

Last Answer : Name of carboxylic acid Molecular Formula 1. Methanoic acid HCOOH 3. Propanoic acid C 2 H 5 COOH 2. Ethanoic acid 4. Butananoic acidu CH 3 COOH C 3 H 7 COOH

When carboxylic acids and dicarboxylic acids have similar molecular weights, how do their melting points compare? (a) Carboxylic acids have greater melting points. (b) Dicarboxylic acids have greater melting points. (c) Both acids have similar melting points. (d) No consistent trend exists

Description : When carboxylic acids and dicarboxylic acids have similar molecular weights, how do their melting points compare? (a) Carboxylic acids have greater melting points. (b) Dicarboxylic acids have greater melting points. (c) Both acids have similar melting points. (d) No consistent trend exists

Last Answer : Dicarboxylic acids have greater melting points

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

Protein is a polymer of (A) Sugars (B) Phenols (C) Amino acids (D) Carboxylic acids

Description : Protein is a polymer of (A) Sugars (B) Phenols (C) Amino acids (D) Carboxylic acids

Last Answer : Answer : C

From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid

Description : From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid

Last Answer : Answer : A

Which of the following statements best describes the structure of waxes? (a) long-chain unsaturated carboxylic acids (b) long-chain saturated carboxylic acids (c) long-chain esters (d) short-chain esters

Description : Which of the following statements best describes the structure of waxes? (a) long-chain unsaturated carboxylic acids (b) long-chain saturated carboxylic acids (c) long-chain esters (d) short-chain esters

Last Answer : long-chain esters

Which of the following statements is not true about fatty acids? (a) Fatty acids are carboxylic acids with long hydrocarbon side chains. (b) The double bonds in unsaturated fatty acids are always conjugated. (c) Most naturally occurring fatty acids contain even numbers of carbons and are unbranched. (d) Fatty acids can be saturated or unsaturated

Description : Which of the following statements is not true about fatty acids? (a) Fatty acids are carboxylic acids with long hydrocarbon side chains. (b) The double bonds in unsaturated fatty acids are always ... contain even numbers of carbons and are unbranched. (d) Fatty acids can be saturated or unsaturated

Last Answer : The double bonds in unsaturated fatty acids are always conjugated

Fatty acids are (a) Unsaturated dicarboxylic acids (b) Long-chain alkanoic acids (c) Aromatic carboxylic acids (d) Aromatic dicarboxylic acids

Description : Fatty acids are (a) Unsaturated dicarboxylic acids (b) Long-chain alkanoic acids (c) Aromatic carboxylic acids (d) Aromatic dicarboxylic acids

Last Answer : Long-chain alkanoic acids

Esters can be formed by nucleophilic substitution reactions of : (a) carboxylic acids and alcohols ; acid-catalyzed (b) acid chlorides and alcohols (c) both of the above (d) neither of the above

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Last Answer : both of the above

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

The characteristic reaction of carboxylic acids is : (a) electrophilic addition (b) electrophilic substitution (c) nucleophilic addition (d) nucleophilic substitution

Description : The characteristic reaction of carboxylic acids is : (a) electrophilic addition (b) electrophilic substitution (c) nucleophilic addition (d) nucleophilic substitution

Last Answer : nucleophilic substitution

The greater acidity of carboxylic acids compared to alcohols arises primarily from : (a) the electron-donating effect of the hydroxyl group (b) the electron-withdrawing effect of the carboxyl oxygen (c) the acidity of α-hydrogens of carboxylic acids (d) the resonance stability associated with the carboxylate ion

Description : The greater acidity of carboxylic acids compared to alcohols arises primarily from : (a) the electron-donating effect of the hydroxyl group (b) the electron-withdrawing effect of the carboxyl ... of α-hydrogens of carboxylic acids (d) the resonance stability associated with the carboxylate ion

Last Answer : the resonance stability associated with the carboxylate ion

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

Carboxylic acid reacts with halogen in presence of red P to gives__________ a) α-halogen acids b) β-halogen acid c) Acid halide d) Dicarboxylic acid

Description : Carboxylic acid reacts with halogen in presence of red P to gives__________ a) α-halogen acids b) β-halogen acid c) Acid halide d) Dicarboxylic acid

Last Answer : a) α-halogen acids

How many reactions will produce carboxylic acid, as their end product

Description : How many reactions will produce carboxylic acid, as their end product

Last Answer : How many reactions will produce carboxylic acid, as their end product

How many reactions will produce carboxylic acid, as their end product

Description : How many reactions will produce carboxylic acid, as their end product

Last Answer : How many reactions will produce carboxylic acid, as their end product

Long chain alkanes or alkenes containing terminal carboxylic acid ( – COOH) are called

Description : Long chain alkanes or alkenes containing terminal carboxylic acid ( – COOH) are called

Last Answer : fatty acid.

The total number of carboxylic acid groups in the product P is

Description : The total number of carboxylic acid groups in the product P is

Last Answer : The total number of carboxylic acid groups in the product P is

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

The reaction between an alcohol and carboxylic acid leads to the formation of

Description : The reaction between an alcohol and carboxylic acid leads to the formation of

Last Answer : The reaction between an alcohol and carboxylic acid leads to the formation of A. Aldehyde B. Ester C. Ketone D. Paraffins

If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called as (A) Alpha (B) Beta (C) Gamma (D) Epsilon

Description : If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called as (A) Alpha (B) Beta (C) Gamma (D) Epsilon

Last Answer : Answer : A

Goitrogenic substance present in cabbage is (A) 5-vinyl-2 thio oxalzolidone (B) Pyridine-3-carboxylic acid (C) 3-Hydroxy-4, 5-dihydroxymethyl1–2-methyl pyridine (D) δ-ALA dehydratase

Description : Goitrogenic substance present in cabbage is (A) 5-vinyl-2 thio oxalzolidone (B) Pyridine-3-carboxylic acid (C) 3-Hydroxy-4, 5-dihydroxymethyl1–2-methyl pyridine (D) δ-ALA dehydratase

Last Answer : Answer : A

Sakaguchi reaction is specific for (A) Guanidine group (B) Phenolic group (C) Carboxylic group (D) None of these

Description : Sakaguchi reaction is specific for (A) Guanidine group (B) Phenolic group (C) Carboxylic group (D) None of these

Last Answer : Answer : A

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

The α-ketoacid is decarboxylated by H2O2 forming a carboxylic acid with one carbon atom less in the absence of the enzyme: (A) Catalase (B) Decarboxylase (C) Deaminase (D) Phosphatase

Description : The α-ketoacid is decarboxylated by H2O2 forming a carboxylic acid with one carbon atom less in the absence of the enzyme: (A) Catalase (B) Decarboxylase (C) Deaminase (D) Phosphatase

Last Answer : Answer : A

If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called (A) Alpha (B) Beta (C) Gamma (D) Delta

Description : If the amino group and a carboxylic group of the amino acid are attached to same carbon atom, the amino acid is called (A) Alpha (B) Beta (C) Gamma (D) Delta

Last Answer : Answer : A

Amino acid with side chain containing basic groups is (A) 2-Amino 5-guanidovaleric acid (B) 2-Pyrrolidine carboxylic acid (C) 2-Amino 3-mercaptopropanoic acid (D) 2-Amino propanoic acid

Description : Amino acid with side chain containing basic groups is (A) 2-Amino 5-guanidovaleric acid (B) 2-Pyrrolidine carboxylic acid (C) 2-Amino 3-mercaptopropanoic acid (D) 2-Amino propanoic acid

Last Answer : Answer : A

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

Synthetic detergents are made from – (1) Sodium stearate (2) Sodium salt of benzene sulphonic acid (3) Sodium salt of benzene carboxylic acid (4) Sodium palmitate

Description : Synthetic detergents are made from – (1) Sodium stearate (2) Sodium salt of benzene sulphonic acid (3) Sodium salt of benzene carboxylic acid (4) Sodium palmitate

Last Answer : (2) Sodium salt of benzene sulphonic acid Explanation: Synthetic detergents are made from sodium salt of benezene sulphonic acid.

Iodine value is used to estimate – (1) Hydroxyl groups in oil (2) Alkali, content in oil (3) Unsaturation in oil (4) Carboxylic groups in oil

Description : Iodine value is used to estimate – (1) Hydroxyl groups in oil (2) Alkali, content in oil (3) Unsaturation in oil (4) Carboxylic groups in oil

Last Answer : (3) Unsaturation in oil Explanation: Iodine value is used to estimate unsatwation in oil.

Polyesters are manufactured by the Polycondensation reaction of (A) Dibasic acid with dihydric alcohol (B) A single monomer (C) Carboxylic acid with ethylene

Description : Polyesters are manufactured by the Polycondensation reaction of (A) Dibasic acid with dihydric alcohol (B) A single monomer (C) Carboxylic acid with ethylene

Last Answer : (A) Dibasic acid with dihydric alcohol

Why does solubility decreases with increasing molecular mass in carboxylic acid ?

Description : Why does solubility decreases with increasing molecular mass in carboxylic acid ?

Last Answer : Ans. Because of increase in alkyl chain length which is hydrophobic in nature. 

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.

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.

Which of the following is not a carboxylic acid? (a) Malonic acid (b) Acetic acid (c) Picric acid (d) Adipic acid

Description : Which of the following is not a carboxylic acid? (a) Malonic acid (b) Acetic acid (c) Picric acid (d) Adipic acid

Last Answer : Picric acid

Amides undergo hydrolysis under acidic conditions to give (a) Carboxylic acid and amine (b) Carboxylic acid and ammonium ion (c) Carboxylate ion and ammonium ion (d) Carboxylate ion and amine

Description : Amides undergo hydrolysis under acidic conditions to give (a) Carboxylic acid and amine (b) Carboxylic acid and ammonium ion (c) Carboxylate ion and ammonium ion (d) Carboxylate ion and amine

Last Answer : Carboxylic acid and ammonium ion

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

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

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

Description : 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 ... chloride ~ amide (d) carboxylic acid > amide >> ester ~ acyl chloride ~ aldehyde ~ ketone

Last Answer : primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone

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

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 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

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

An isosteric replacement for carboxylic acid group is (A) pyrrole (B) isoxazole (C) phenol (D) tetrazole

Description : An isosteric replacement for carboxylic acid group is (A) pyrrole (B) isoxazole (C) phenol (D) tetrazole

Last Answer : (D)tetrazole

Growth regulating herbicides that act simi lar to that of endogenous auxin (IAA) a). Benzoic acid b). pyridine carboxylic acid c). quinoline carboxylic acid d). All

Description : Growth regulating herbicides that act simi lar to that of endogenous auxin (IAA) a). Benzoic acid b). pyridine carboxylic acid c). quinoline carboxylic acid d). All

Last Answer : d). All

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