Which of the following is not a use of formaldehyde ?
A. in silvery mirror
B. in making medicine urotropine
C. in making throat lozenges
D. in making acetic acid
Submitted by :- Jamil Ahmed
Ketones are comparatively less reactive than aldehyde. It is due to_______________?
A. alkyl groups are electron donating
B. steric hindrance
C. Both A and B
D. none
Submitted by :- Jamil Ahmed
Which of the following do not give aldol condensation reactions ?
A. formaldehyde
B. acetaldehyde
C. dimethyl ketone
D. propionaldehyde
Submitted by :- Jamil Ahmed
Which of the following reagents will react with both aldehydes and ketones ?
A. Grignard reagent
B. Tollens reagent
C. Fehling’s reagent
D. Benedicts reagent
Submitted by :- Jamil Ahmed
Which of the following reactions may be associated with aldehyde and ketone ?
A. nucleophile addition
B. polymerization
C. oxidation
D. all of the above
Submitted by :- Jamil Ahmed
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
Submitted by :- Jamil Ahmed
The carbon atom of carbonyl group is__________________?
A. sp hybridized
B. sp2 hybridized
C. cp3 hybridized
D. dsp2 hybridized
Submitted by :- Jamil Ahmed
Which of the following will have the highest boiling point ?
A. methanol
B. ethanal
C. propanal
D. hexanone
Submitted by :- Jamil Ahmed
Iodoform test can be used to distinguish between_________________?
A. ethanol and methanol
B. acetaldehyde and methanal
C. acetone and diethyl ketone
D. all of the above
Submitted by :- Jamil Ahmed