MCQ
Which of the following is not $ o, p—$ directing group
- A$ - N{H_2}$
- B$ - OH$
- C$ - X$ (halogens)
- ✓$ - CHO$
✓
Answer
Correct option: D.
$ - CHO$
d
(d) Presence of $ - \,CHO$ decrease electron density at $o$ to $p$ positions. Hence, attack of an electrophile occurs at $m-$ position. therefore it is meta directing group.
(d) Presence of $ - \,CHO$ decrease electron density at $o$ to $p$ positions. Hence, attack of an electrophile occurs at $m-$ position. therefore it is meta directing group.
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