Hydrogenation of C6H5CHOH−COOH over Rh−Al2O3 catalyst in methanol gives which of the following?
  • a) C6H5CH2COOH
  • b) C6H11CHOHCOOH
  • c) C6H5CHOHCH2OH
  • d) C6H11CH2COOH
In the anion HCOO− the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?
  • a) Electronic orbitals of carbon atom are hybridised
  • b) The C = O bond is weaker than the C – O bond
  • c) The anion HCOO− has two resonating structures
  • d) The anion is obtained by removal of a proton form the acid molecule
In a set of the given reactions, acetic acid yielded a product C
  • a) CH3−C-C2H5(OH)C6H5
  • b) CH3CH(OH)C2H5
  • c) CH3COC6H5
  • d) CH3CH(OH)C6H5
Carboxylic acids are more acidic than phenol and alcohol because of which of the following?
  • a) Intermolecular hydrogen bonding
  • b) Formation of dimers
  • c) Highly acidic hydrogen
  • d) Resonance stabilization of their conjugate base
When propionic acid is treated with aqueous sodium bicarbonate CO2 is liberated. The ‘C’ of CO2 comes from which of the following?
  • a) Methyl group
  • b) Carboxylic acid group
  • c) Methylene group
  • d) Bicarbonate
The compound not soluble in acetic acid is which of the following?
  • a) CaCO3
  • b) CaO
  • c) CaC2O4
  • d) Ca(OH)2
Identify the wrong statement from the following?
  • a) Salicylic acid’s a monobasic acid
  • b) Methyl salicylate is an ester
  • c) Salicylic acid gives violet colour with neutral ferric chloride as well as brisk effervescence with sodium bicarbonate
  • d) Methyl salicylate does not occur in natural oils
When CH3COOH reacts with CH3−Mg−X, which of the following is formed?
  • a) CH3COX is formed
  • b) Hydrocarbon is formed
  • c) Acetone is formed
  • d) Alcohol is formed
Hydrolysis of an ester gives a carboxylic acid which on Kolbe’s electrolysis yields ethane. The ester is which of the following?
  • a) Ethyl methonoate
  • b) Methyl ethanoate
  • c) Propylamine
  • d) Ethylamine
Sulphonation of benzoic acid produces mainly which of the following?
  • a) o-sulphobenzoic acid
  • b) m-sulphobenzoic acid
  • c) p-sulphobenzoic acid
  • d) o- and p-sulphobenzoic acid
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