A. (CH3COO)2Ca
B. (HCOO)2Ca
C. Both A and B
D. None
✅ The correct answer is option C.
Aldehydes and Ketones MCQs
Which of the following will have the highest boiling point?
A. Methanal
B. Ethanal
C. Propanal
D. Hexanone
✅ The correct answer is option D.
Which of the following reaction is not shown by ketones?
A. Reaction with HCN
B. Reaction with NaHSO3
C. Reaction with 2 4 dinitrophenyl hydrazine
D. Reaction with Fehling solution
✅ The correct answer is option D.
The carbon atom of the carbonyl group is
A. Sp hybridized
B. Sp2 hybridized
C. Cp3 hybridized
D. Dsp2 hybridized
✅ The correct answer is option B.
Which of the following substances does not give iodoform test?
A. Acetaldehyde
B. Ethyl alcohol
C. Methyl alcohol
D. Acetone
✅ The correct answer is option C.
Formalin is _______ % solution of formaldehyde in water
A. 10%
B. 20%
C. 40%
D. 60%
✅ The correct answer is option C.
Which of the following aldehydes shows rapid reaction with sodium nitroprusside?
A. Formaldehyde
B. Acetaldehyde
C. Benzaldehyde
D. Acetone
✅ The correct answer is option D.
Acetone reacts with HCN to form a cyanohydrin. It is an example of
A. Electrophilic Addition
B. Electrophilic substitution
C. Nucleophilic addition
D. Nucleophilic substitution
✅ The correct answer is option C.
Which of the following compounds will react with Tollens reagent?
A. CH3-CHO
B. CH3-CH-CH3
C. CH3-COOH
D. CH3-CO-CH2-CH3
✅ The correct answer is option A.
Which of the following reactions may be associated with aldehyde and ketone?
A. Nucleophile addition
B. Polymerization
C. Oxidation
D. All of the above
✅ The correct answer is option D.