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NEET UG CHEMISTRY MCQ: HYDROCARBONS

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Which of the following set of functional groups is meta-directing?

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Correct option: B

-\mathrm{NO}_2,-\mathrm{CHO},-\mathrm{SO}_3 \mathrm{H},-\mathrm{COR}

Option B (

-\mathrm{NO}_2,-\mathrm{CHO},-\mathrm{SO}_3 \mathrm{H},-\mathrm{COR}

) is correct because all these groups are electron-withdrawing and meta-directing due to resonance effects.

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