The compound with a -COOH group and a -CHO group in meta positions on a benzene ring is named

A3-formylbenzoic acid
B5-formylbenzoic acid
C3-formylbenzenecarbaldehyde
D3-carboxybenzaldehyde

Answer: A

Carboxylic acid outranks aldehyde, so the parent is benzoic acid with COOH carbon at C-1, and CHO is expressed as the prefix 'formyl'. Meta gives locant 3 (lowest). The name is 3-formylbenzoic acid.

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