Q. 21

Predict the produ

Answer :

(i)

On treating propene with diborane, each hydrogen in borane is replaced by propyl group. Then on treating with hydrogen peroxide and aqueous sodium hydroxide the compound gets oxidized to alcohol.


(ii)


On treating phenol with bromine water it undergoes halogenation reaction to result in a white precipitate 2,4,6-tribromophenol.


(iii)


Vapours of primary alcohol when passed over heated cooper, dehydrogenation takes place (removal of hydrogen) which results in an aldehyde. Similarly secondary alcohol results in a ketone.


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