A) benzene
B) toluene
C) nitrobenzene
D) chlorobenzene
Correct Answer: B
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.
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