Ncleophilic addition reactions are catalysed__________________?

Related Mcqs:

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...

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...

Ketones are comparatively less reactive than aldehdye. It is due to_______________?

A. alkyl groups are electron donating B. steric hindrance C. Both A and B D. none...

Which of the following do not give aldol condensation reactions ?

A. formaldehyde B. acetaldehyde C. diemthyl ketone D. propionaldehyde...

Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________?

A. 60% B. 50% C. 52% D. 8%...