Question:
Statement I: The groups $NHCOCH_3$ and $-OCOCH_3$ deactivate the benzene ring for electrophilic attack. Statement II: -OH and $-CH_2CH_3$ groups activate the benzene ring for electrophilic attack.
Statement I: The groups $NHCOCH_3$ and $-OCOCH_3$ deactivate the benzene ring for electrophilic attack. Statement II: -OH and $-CH_2CH_3$ groups activate the benzene ring for electrophilic attack.
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Activating groups donate electrons to the ring; deactivating groups withdraw them.
Updated On: Jun 10, 2026
- Both statements I and II are correct
- Both statements I and II are not correct
- Statement I is correct and statement II is not correct
- Statement I is not correct but statement II is correct
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The Correct Option is A
Solution and Explanation
Step 1: Concept
Effects of substituents on electrophilic aromatic substitution.
Step 2: Analysis
$NHCOCH_3$ and $OCOCH_3$ are electron-withdrawing by resonance, deactivating the ring. -OH is strongly activating, and $-CH_2CH_3$ (alkyl group) is weakly activating.
Step 3: Conclusion
Both statements are correct.
Final Answer: (A)
Effects of substituents on electrophilic aromatic substitution.
Step 2: Analysis
$NHCOCH_3$ and $OCOCH_3$ are electron-withdrawing by resonance, deactivating the ring. -OH is strongly activating, and $-CH_2CH_3$ (alkyl group) is weakly activating.
Step 3: Conclusion
Both statements are correct.
Final Answer: (A)
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