Question

Fill in the blanks by suitable choices.
The carbon atom in carbonyl group is ______ hybridised. The carbonyl group in aldehydes and ketones undergoes ______ reactions. Aldehydes which have $$\alpha {\text{ - }}H$$  atom undergo ______ reaction while aldehydes which have no $$\alpha {\text{ - }}H$$  atom undergo ______ reaction.

A. $$s{p^3},$$ nucleophilic substitutions, aldol condensation, Cannizzaro
B. $$sp,$$  electrophilic substitution, Cannizzaro, aldol condensation
C. $$s{p^2},$$ nucleophilic addition, aldol condensation, Cannizzaro  
D. $$s{p^3},$$ electrophilic addition, Cannizzaro, aldol condensation
Answer :   $$s{p^2},$$ nucleophilic addition, aldol condensation, Cannizzaro

Releted MCQ Question on
Organic Chemistry >> Aldehyde and Ketone

Releted Question 1

The reagent with which both acetaldehyde and acetone react easily is

A. Fehling’s reagent
B. Grignard reagent
C. Schiff’s reagent
D. Tollen’s reagent
Releted Question 2

The Cannizzaro reaction is not given by

A. trimethylacetaldehye
B. acetaldehyde
C. benzaldehyde
D. formaldehyde
Releted Question 3

The compound that will not give iodoform on treatment with alkali and iodine is :

A. acetone
B. ethanol
C. diethyl ketone
D. isopropyl alcohol
Releted Question 4

Polarisation of electrons in acrolein may be written as

A. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = CH - \mathop {CH}\limits^{{\delta ^ + }} = O$$
B. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = CH - CH = \mathop O\limits^{{\delta ^ + }} $$
C. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = \mathop {CH}\limits^{{\delta ^ + }} - CH = O$$
D. $$\mathop {C{H_2}}\limits^{{\delta ^ + }} = CH - CH = \mathop O\limits^{{\delta ^ - }} $$

Practice More Releted MCQ Question on
Aldehyde and Ketone


Practice More MCQ Question on Chemistry Section