MCQ
The $IUPAC$ name of given is :
- ✓$2-$ methoxy $-4-$ nitro benzaldehyde
- B$4-$ nitro anisaldehyde
- C$3-$ methoxy $-4-$ formyl nitro benzene
- D$2-$ formyl $-4-$ nitro anisole
✓
Answer
Correct option: A.
$2-$ methoxy $-4-$ nitro benzaldehyde
a
The rule says that the first priority for the lowest numbers is given to the substituent of highest priority, i.e., $CHO$.
The rule says that the first priority for the lowest numbers is given to the substituent of highest priority, i.e., $CHO$.
Here, the other group will be taken as a substituent. The numbering of the other groups will be such that the other groups should be on the least numbering.
Hence, the name $2$-Methoxy-$4$-nitro benzaldehyde.
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