CBSE
Multiple Choice QuestionsA carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of alpha -hydroxy acid. The carbonyl compound is:
CH3-CH2-CH2COCH3
(CH3)2C=O
CH3CH2CHO
CH3CH2CHO
Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?
Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is Called:
Clemmensen reduction
Cope reduction
Dow reduction
Dow reduction
Self-condensation of two moles of ethyl acetate in presence of sodium ethoxide yields
ethyl butyrate
acetoacetic ester
methyl acetoacetate
methyl acetoacetate
Which of the following represents the correct order of the acidity in the given compounds?
H3CCOOH > BrCH2COOH > ClCH2COOH > FCH2COOH
FCH2COOH > CH3COOH >BrCH2COOH > ClCH2COOH
BrCH2COOH > ClCH2COOH > FCH2COOH >CH3COOH
BrCH2COOH > ClCH2COOH > FCH2COOH >CH3COOH
Which of the compounds with molecular formula C5H10 yields acetone on ozonolysis?
2-methyl-2- butene
3- methyl -1-butene
cyclopentane
cyclopentane
In a set of reactions, propionic acid yielded a compound D.
The structure of D would be:
CH3CH2CH2NH2
CH3CH2CONH2
CH3CH2NHCH3
CH3CH2NHCH3
The product formed in aldol condensation is:
a beta-hydroxy acid
a beta -hydroxy aldehyde or ketone
an alpha -hydroxy aldehyde or ketone
an alpha -hydroxy aldehyde or ketone
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of alpha-hydroxy acid. The carbonyl compound is:
acetaldehyde
acetone
diethyl ketone
diethyl ketone
Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid?
C6H5CH2CHO
C6H5CHO
CH3CH2CH2CHO
CH3CH2CH2CHO
