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  4. Amongst the following, the compound that can most readily get sulphonated is

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Q. Amongst the following, the compound that can most readily get sulphonated is

MGIMS WardhaMGIMS Wardha 2014

Solution:

In toluene, $ (-C{{H}_{3}}) $ group is present which has $ +I $ effect and increase electron density on ortho and para position. While in sulphonation $ -S{{O}_{3}}H $ acts as electrophile. Therefore, it $ (-S{{O}_{3}}H) $ attacks on ortho and para position readily.