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Chemistry-

General

Easy

Question

The decreasing order of $A r S N$ reaction with $C subscript 2 end subscript H subscript 5 end subscript O to the power of circled dash end exponent$ / $E t O H$ is:
I)
II)
III)
IV)

(I) > (II) > (III) > (IV)
(IV) > (III) > (II) > (I)
(III) > (IV) > (II) > (I)
(IV) > (III) > (I) > (II)

The correct answer is: (III) > (IV) > (II) > (I)

More the EWG, more is the reactivity for $A r S N$ reaction
$negative S O subscript 3 end subscript H$ (more resonance structure)
$greater than blank minus N O subscript 2 end subscript greater than C l blank greater than M e blank left parenthesis E D G right parenthesis$
Therefore, (III) > (IV) > (II) > (I)

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