Chemistry · Organic Chemistry

इलेक्ट्रॉनरागी सुगंधित प्रतिस्थापन (electrophilic aromatic substitution) के लिए निम्नलिखित समूहों में से सक्रियण (activating) और निष्क्रियण (deactivating) समूहों की संख्या क्रमशः कितनी है? -OCH3, -COCH3, -NHCOCH3, -COOCH3, -SO3H

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