Chemistry Question Bank

Name the reagent used to bring about the following transformation : But-2-ene to ethanal (AMU 2010)

Which of the following reaction will not result in the formation of carbon-carbon bonds? (CBSE AIPMT 2010)

Identify the reaction which is used to obtain -hydroxy ketone? (Guj CET 2010)

Ethyl methyl ketone is obtained by heating calcium salts of (MHT CET 2010)

In the following reaction sequence, C H NH Cl Ca(OH) Alc.KOH CH CHO X Y -> -> Y is (MHT CET 2010)

Aldehydes and ketones are differentiated by using (UP CPMT 2010)

퐶퐻3 −퐶 || 푂 −퐶퐻2 −퐶퐻3 퐶표푛푐.퐻푁푂3 → Product The product is

Isopropyl alcohol on oxidation forms:

Aldehydes are first oxidation products of:

An aldehyde on oxidation gives

The reaction of acetaldehyde with conc. KMnO4 gives

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 reagents converts both acetaldehyde and acetone to alkanes?