The correct order of priority of groups ...

The correct order of priority of groups -`SCH_3 (I), -NO_2 (II), -C -= CH (III)` and `–CH_2C_6H_5 (IV)`, on the basis of CIP classification, is (increasing order) :

A

I, III, II, IV

B

IV, III, II, I

C

II, IV, I, III

D

III, IV, II, I

Verified by Experts

The correct Answer is:

B

Follow CIP rules.

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