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 aldehydes shows rapid reaction with sodium nitroprusside ?
(A) formaldehyde
(B) accetaldehyde
(C) benzaldehyde
(D) acetone
The carbon atom of carbonyl group is__________________?
(A) sp hybridized
(B) sp2 hybridized
(C) cp3 hybridized
(D) dsp2 hybridized
Which of the following will have the highest boiling point ?
(A) methanol
(B) ethanal
(C) propanal
(D) hexanone
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
Cannizaros reaction takes place through the transfer of ____________________ from complex anion?
(A) hydrogen ion
(B) hydride ion
(C) oxide ion
(D) methoxide ion
Dry distillation of calcium acetate results in the formation of_________________?
(A) formaldehyde
(B) acetaldehyde
(C) methane
(D) acetone
Acetal on acid hydrolysis generates__________________?
(A) Alcohol
(B) Ketone
(C) Both A & B
(D) None of the above
Ncleophilic addition reactions are catalysed__________________?
(A) Acid
(B) Base
(C) Both A and B
(D) None