Chemistry Question Bank

Aldehydes and ketones can be reduced to corresponding hydrocarbons by

Clemensen’s reduction of ketones is carried out in

Clemmensen's reduction will convert cyclohexanone into:

Clemmensen reduction involves > C = O to > CH2 in presence of

Which of the compounds with molecular formula C5H10 yields acetone on ozonolysis?

Which of the following reagents converts both acetaldehyde and acetone to alkanes?

Which of the following gases when passed through warm dilute solution of H2SO4 in presence of HgSO4 gives acetaldehyde?

When but-2-yne is treated dil.H2SO4/HgSO4 the product formed is :

The order of reactivity of phenyl magnesium bromide with the following compounds is

Identify the reactant X and the product Y

Product in following reaction is CH3MgI + HCHO → Product

Grignard reagent on reaction with acetone forms

Which of the following species is the conjugate acid of the hemiacetal formed by reaction of benzaldehyde with methanol containing a trace of acid ? (a) (b) (c) (d)

Benzaldehyde condenses with N,N-dimethylaniline in presence of anhydrous ZnCl2 to give

Which one of the following does not form sodium bisulphite addition product with sodium bisulphite solution

Reaction of acetaldehyde with HCN followed by hydrolysis gives a compound which shows

A and B in the following reactions are (a) (b) (c)

The most reactive compound towards formation of cyanohydrin on treatment with HCN followed by acidification is

Correct order of reactivity of CH3CHO, C2H5COCH3 and CH3COCH3 is

Which of the following carbonyl oxygen will form strongest hydrogen bond with 퐻2푂 molecule? (a) (b) (c) (d)

Product may be

Which of the aldehyde is most reactive towards nucleophilic addition reaction ?

Nucleophilic addition reaction will be most favoured in

The increasing order of the rate of HCN addition to compounds A-D is

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of a α-hydroxy acid. The carbonyl compound is