Question:
The number of activating and deactivating groups of the following are respectively:
\[
-OCH_2CH_3, -COCH_3, -NHCOCH_3, -COOCH_3, -SO_3H
\]
The number of activating and deactivating groups of the following are respectively:
\[
-OCH_2CH_3, -COCH_3, -NHCOCH_3, -COOCH_3, -SO_3H
\]
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Activating groups donate electrons and increase electrophilic substitution, while deactivating groups withdraw electrons and reduce reactivity.
Updated On: Mar 3, 2026
- 2, 3
- 3, 2
- 1, 4
- 4, 1
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The Correct Option is A
Solution and Explanation
Activating groups: Electron-donating groups increase reactivity, such as -OCH2CH3 and -NHCOCH3.
Deactivating groups: Electron-withdrawing groups decrease reactivity, such as -COCH3, -COOCH3, and -SO3H.
Thus, the number of activating groups = 2 and deactivating groups = 3.
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