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Consider the following diazonium ions :
The order of reactivity towards diazo-coupling with phenol in the presence of dil. NaOH is -
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The order of reactivity towards diazo-coupling with phenol in the presence of dil. NaOH is -
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The correct answer is:
I < III < IV < II
Diazonium ion acts as an electrophile, electron-withdrawing groups on its phenyl ring increases its electrophilicity.
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