Aldehydes and Ketones

Aldehyde and ketone have same general formula for homologous series_________________? A. CnH2nO2n B. CnH2nC. CnH2nO D. CnH2nOn+1

Formalin consists of mixture of formaldehyde methyl alcohol and water Percentage of water in it is________________? A. 60% B. 50%C. 52% D. 8%

Formula of haloform is_________________? A. HCOX B. CX4C. CHX3 D. CH3X

Formaldehyde and lactose are combined to produce throat lozenges named as__________________? A. formamint B. lactomint C. aldomint D. formalactose

Which of the following do not give aldol condensation reactions ? A. formaldehyde B. acetaldehyde C. diemthyl ketone D. propionaldehyde

Which of the following reagents will react with both aldehydes and ketones ? A. Grignard reagent B. Tollens reagent C. Fehlings reagent D. Benedicts reagent

Which of the following reactions may be assoclated with aldehyde and ketone ? A. nucleophile addition B. polymerization C. oxidationD. all of the above

Acetone reacts with HCN to form a cyanohydrin. It is an example of________________? A. electronphilic addition B. electrophilic substitutionC. nucleophilic addition D. nucleophilic substitution…

Formalin is ___________ solution of formaldehyde in water? A. 10% B. 20%C. 40% D. 60%

The carbon atom of carbonyl group is__________________? A. sp hybridizedB. sp2 hybridized C. cp3 hybridized D. dsp2 hybridized