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Question

Write order of electron density in aromatic ring of following compounds.

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A
IV>III>II>I
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B
I>II>III>IV
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C
IV>II>I>III
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D
III>IV>II>I
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Solution

The correct option is D III>IV>II>I
NH2 and NHCOCH3 are activating groups. They increase the electron density through strong electron donating resonance effect.

COOEt and OCOEt are deactivating groups. They decrease the electron density through strong electron withdrawing resonance effect.

Option D is correct.

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