MCQ-41
Which of the following reagent is used for the above reaction
A. Hâ‚‚/Ni
B. K2Cr2O7/H2SO4
C. NaBH4/H3O+
D. I2/NaOH
Answer: C
MCQ-42
Cannizzaro’s reaction is given by
A. Formaldehyde
B. Benzaldehyde
C. Trimethylacetaldehyde
D. All of these
Answer: D
MCQ-43
Formaldehyde reacts with HCN (NaCN+HCl) to give a compound
A. B.
C. D.
Answer: C
MCQ-44
Iodoform test will not be positive with
A.
B.
C.
D.
Answer: A
MCQ-45
The reaction of aldehydes and ketones with ammonia derivatives to form compounds containing the group and water is known as the _______reaction.
A. Nucleophilic addition
B. Electrophilic addition
C. Nucleophilic substitution
D. Addition Elimination
Answer: D