The general formula of carbonyl compounds is

Aldehydes and ketones are

Grignard reagent when reacted with alkyl cyanide followed by hydrolysis gives

A dilute solution of p-rosaniline hydrochloride in water whose pink colour has been discharged by passing sulphur dioxide, does not restore its colour by

The reagent with which both acetaldehyde and acetone reacts easily is –

Isopropyl methyl ketone when treated with Zn-Hg and concentrated hydrochloric acid give

The formation of cyanohydrin from acetone is an example of

Which of the following is Fehling solution ‘A’?

The compound ‘X’ upon alkaline hydrolysis gives a product which reacts with phenylhydrazine but does not reduce ammoniacal silver nitrate solution. A possible structure for ‘X’ is

Which of the following is the correct statement with respect to aldehyde and ketones ?