Q. Which is obtained on treating phenol with dilute ?

 1136  192 Bihar CECEBihar CECE 2006Alcohols Phenols and Ethers Report Error

Solution:

group is an activating group, hence increase electron density on o-and p-position in benzene ring. Thus phenol very easily undergoes nitration (electrophilic substitution and give trinitrophenol i. e., picric acid.

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