JEE Advanced levelSingle correct optionDifficulty 3 of 3si268
The hydrocarbon shown is monobrominated, counting every distinct product formed by replacing any one hydrogen (ring positions with BrX2/FeBrX3 and side-chain positions with BrX2/light; constitutional isomers only). How many products are possible?
A3
B4
C5
D6
Answer: C
The compound shown is cumene. Ring: ortho, meta and para bromides, 3. Side chain: the tertiary benzylic C-H and the six equivalent methyl H, 2. Total 3+2=5.