CBSE
Multiple Choice QuestionsWhich 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
Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is Called:
Clemmensen reduction
Cope reduction
Dow reduction
Dow reduction
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
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:
CH3-CH2-CH2COCH3
(CH3)2C=O
CH3CH2CHO
CH3CH2CHO
Self-condensation of two moles of ethyl acetate in presence of sodium ethoxide yields
ethyl butyrate
acetoacetic ester
methyl acetoacetate
methyl acetoacetate
Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid?
C6H5CH2CHO
C6H5CHO
CH3CH2CH2CHO
CH3CH2CH2CHO
Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?
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
Which of the compounds with molecular formula C5H10 yields acetone on ozonolysis?
2-methyl-2- butene
3- methyl -1-butene
cyclopentane
cyclopentane
