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Which of the following series contains a...

Which of the following series contains atoms/groups having only -M(mesomeric) effect ?

A

`COR,OR,COOR`

B

`Cl,CHO,NH_(2)`

C

`NO_(2),CN,SO_(3)H`

D

`OH,NR_(2),SR`

Text Solution

Verified by Experts

The correct Answer is:
C
`-NO_(2),-CN,-SO_(3)` H have - M effect.
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