Chemistry Question Bank

does not show aldol condensation because :

If pentan-2-one is reacted with NaBH4, followed by hydrolysis with D2O, the product will be :

The compound which is not reduced by 퐿푖퐴푙퐻4 is

In the above sequence X can be

퐶퐻3퐶퐻푂+ 퐿푖퐴푙퐻4 →퐶퐻3퐶퐻2푂퐻 Nucleophile added in this reaction is

The product predominates is (a) (b) (c) (d)

For C6H5CHO which of the following is incorrect?

Which one of the following pairs is not correctly matched

Wolff-Kishner reduction is :

In Wolf-Kishner reduction, the carbonyl group of aldehydes and ketones is converted into

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 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

Arrange the following compounds in increasing order of their reactivity in nucleophilic addition reactions. Ethanal (I), Propanal (II), Propanone (III), Butanone (IV)

The reagent used in Gattermann Koch aldehyde synthesis is

Reduction of acetonitrile in presence of SnCl2/HCl, followed by hydrolysis gives :

What reagent is used in the Rosenmund reduction?

Catalyst used in Rosenmund reduction is