Top 80+ Solved Aldehydes and Ketones MCQ Questions Answer
Q. In aldehydes and ketones, carbon of carbonyl group is………..
a. 3 sp hybridised
b. 2 sp hybridised
c. sp hybridised
d. Unhybridised
Q. Which of the following compounds does not contain an -OH group………..
a. Phenol
b. Carboxylic acid
c. Aldehydes
d. Alcohols
Q. Which of the following types of isomerism is shown by Pentanone.
a. Chain isomerism
b. Position isomerism
c. Functional isomerism
d. All of these
Q. IUPAC name of CHO CCl3 is…………..
a. Chloral
b. Trichloro acetaldehyde
c. 1, 1, 1-trichloroethanal
d. 2, 2, 2-trichloroethanal
Q. Which of the following is a mixed ketone ………..
a. Pentanone
b. Acetophenone
c. Benzophenone
d. Butanone
Q. Carbonyl compounds are usually ……………
a. Ethers, aldehydes, ketones and carboxylic acids
b. Aldehydes, ketones and carboxylic acids
c. Aldehydes and ketones
d. Carboxylic acids
Q. Acetone and acetaldehyde are …………..
a. Position isomers
b. Functional isomers
c. Not isomers
d. Chain isomers
Q. Which of the aldehyde is most reactive ?
a. C6H5CHO
b. CH3CHO
c. HCHO
d. All the equally reactive
Q. Acetophenone is prepared from
a. Rosenmund reaction
b. Sandmayer reaction
c. Wurtz reaction
d. Friedel craft reaction
Q. Which one of the following compounds is prepared in the laboratory from benzene by a substitutionreaction………
a. Glyoxal
b. Cyclohexane
c. Acetophenone
d. Hexabromo cyclohexane
Q. Ketones where R =R1=1 alkyl group. It can be obtained in one step by
a. Hydrolysis of esters
b. Oxidation of primary alcohol
c. Oxidation of secondary alcohol
d. Reaction of acid halide with alcohols
Q. The oxidation of toluene to benzaldehyde by chromyl chloride is called……..
a. Cannizzaro reaction
b. Wurtz reaction
c. Etard reaction
d. Reimer-Tiemann reaction