benzaldehyde
  • 3 and 4 only
  • 2 and 5 only
  • 1, 2 and 3 only
  • 2, 3 and 5 only
Aldehydes other than formaldehyde react with Grignard’s reagent to give addition products which on hydrolysis give
  • tertiary alcohols
  • secondary alcohols
  • primary alcohols
  • carboxylic acids
Which of the following will not give aldol condensation?
  • Phenyl acetaldehyde
  • 2-Methylpentanal
  • Benzaldehyde
  • 1-Phenylpropanone
The product of hydrolysis of ozonide of 1-butene are
  • ethanol only
  • ethanal and methanal
  • propanal and methanal
  • methanal only
α-Hydroxypropanoic acid can be preapred from ethanal by following the steps given in the sequence
  • Treat with HCN followed by acidic hydrolysis
  • Treat with NaHSO followed by reaction with NaCO
  • Treat with HSO
  • Treat with KCrO
Benzoyl Chloride on reduction with H/Pd-BaSO produces
  • benzoic acid
  • benzyl alochol
  • benzoyl sulphate
  • benzaldehyde
What is the test to differentiate between penta-2-one and pentan-3-one?
  • Iodoform test
  • Benedict’s test
  • Fehling’s test
  • Aldol condensation test
Which of the following does not undergoCannizzarro’s reaction?
  • Benzaldehyde
  • 2-Methylpropanal
  • p-Methoxybenzaldehyde
  • 2, 2-Dimethylpropanal
The best oxidising agent- for oxidation of CH-CH = CH-CHO to CH-CH = CH-COOH is
  • Baeyefs reagent
  • Tollen’s reagent
  • SchifFs reagent
  • Acidified dichromate
Study the given reaction and identify the process which is carried out
  • It is used for purification of aldehydes and ketones
  • It is used to distinguish aldehydes from ketones
  • It is used to prepare cyclic aldehydes and ketones
  • It is used to study polar nature of aldehydes and ketones
Hydrocarbons are formed when aldehydes and ketones are reacted with amalgamated zinc and conc. HCl. The reaction is called
  • Cannizzaro reaction
  • Clemmensen reduction
  • Rosenmund reduction
  • Wolff-Kishner reduction
In the following sequence of reaction, the final product (Z) is
  • ethanal
  • propan-2-ol
  • propanone
  • propan-2-ol
When propanal reacts with 2-methylpropanal in presence of NaOH, four different products are formed. The reaction is known as
  • Aldol condensation
  • Cross aldol condensation
  • Cannizzaro reaction
  • HVZ condensation
Which of the following does not answer iodoform test?
  • n-Butyl alcohol
  • sec-Butyl alcohol
  • Acetophenone
  • Acetaldehyde
To differentiate between pentan-2-one and penta-3-one a test is carried out. Which of the following is the correct answer?
  • Pentan-2-one will give silver mirror test
  • Pentan-2-one will give iodoform test
  • Pentan-3-one will give iodoform test
  • None of these
Which compound is obtained when acetaldehydes are treated with dilute solution of caustic soda?
  • Sodium acetate
  • Resinous mass
  • Aldol
  • Ethyl acetate
Identify the products (X) and (Y) in the given reaction
  • X = Acetophenone, Y = m-N itroacetophone
  • X = Toluene, Y = m-Nitroacetotoluene
  • X = Acetophenone, Y = o- and p-Dinitroacetophenone
  • X = Benzaldehyde, Y = m-Nitrobenzaldehyde
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