Phenol,when it first reacts with concentrated | vedclass

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Question

(B) When phenol reacts with concentrated $H_2SO_4$,it undergoes sulphonation to form phenol-$2, 4-$disulphonic acid.Subsequently,when this product rea

Vedclass · Accepted Answer

$2, 4, 6-$trinitrophenol

Vedclass · Answer

(B) When phenol reacts with concentrated $H_2SO_4$,it undergoes sulphonation to form phenol-$2, 4-$disulphonic acid.Subsequently,when this product reacts with concentrated $HNO_3$,the sulphonic acid groups are replaced by nitro groups to yield $2, 4, 6-$trinitrophenol,which is commonly known as picric acid.Therefore,option $B$ is correct.

Phenol,when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid,gives:

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