The set of meta directing functional groups from the following sets is:

Question

Canvas Classes · Accepted Answer

Step 1: Defining Meta-Directing Groups
Meta-directing groups are those that deactivate the  positions by withdrawing electron density via resonance ( effect).

Step 2: Analyzing the Sets
- Set C:  (Nitro),  (Aldehyde),  (Sulfonic acid),  (Ketone). All are strongly electron-withdrawing and meta-directing.
- Other sets contain activating groups like  or  which are  directing.

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