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
Last Answer : (A) 2-Amino 5-guanidovaleric 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
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.
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 : Unsaturation in oil
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
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.
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
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
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
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
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
Description : From two amino acids peptide bond formation involves removal of one molecule of (A) Water (B) Ammonia (C) Carbondioxide (D) Carboxylic acid
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
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
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.
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
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.
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.
Description : Long chain alkanes or alkenes containing terminal carboxylic acid ( – COOH) are called
Last Answer : fatty 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
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
Description : 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
Last Answer : both of the above
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
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
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
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
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
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
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
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
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
Description : Oxidation of a primary alcohol with produces (a) a carboxylic acid (b) an ether (c) a ketone (d) an ester
Description : An isosteric replacement for carboxylic acid group is (A) pyrrole (B) isoxazole (C) phenol (D) tetrazole
Last Answer : (D)tetrazole
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
Description : Dry ice on reaction with GR gives_______ a) Ester b) Carboxylic acid c) Aldehyde d) Ketone
Last Answer : b) Carboxylic acid
Description : Alkyl cyanide on reduction gives….. a. primary amine b. secondary amine c. amide d. carboxylic acid
Last Answer : a. primary amine
Description : What is the name of the least massive carboxylic (read: car-box-ILL-iy) acid.
Last Answer : ANSWER: FORMIC ACID
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
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 : Sodium salt of benzene sulphonic acid
Description : The total agricultural land in a village is 1200 hectares. This is distributed among 320 families who form four groups in the following pattern. It is assumed that the land is distributed equally within each group. Identify the group of small ... B 180 300 C 30 300 D 10 300 (1) A (2) B (3) C (4) D
Last Answer : B 180 300
Description : The process of dividing a total market into market groups so that persons within each group have relatively similar product needs is called: A)segmenting B)differentiating C)target marketing D)concentrating
Last Answer : A)segmenting
Description : Sakaguchi reaction is specific for (A) Guanidine group (B) Phenolic group (C) Carboxylic group (D) None of these
Description : Protein is a polymer of (A) Sugars (B) Phenols (C) Amino acids (D) Carboxylic acids
Last Answer : Answer : C
Description : Group that reacts in the Biuret test: (A) Peptide (B) Amino group (C) Carboxylic group (D) Aldehyde group
Description : What are carboxylic acids? Write their general formula.
Last Answer : Compounds containing –COOH as the functional group are called Carboxylic acids. Their general formula is R – COOH.
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.