The increasing order of the reactivity of the following compounds...

The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reactions is:

Options

A $II < I < III$
B $III < II < I$
C $III < I < II$
D $I < III < II$

Correct answer

C. $III < I < II$

Step-by-step solution

Rate of

{E}^{+}

substitution reaction

∝ - ve

charge density on benzene ring
Electron releasing group; increasing the rate of

ESR

; halogen has

- I > + M

so deactivating group & but show

+ M

but

show

- M > - I

so less deactivating group only
The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reactions

Reactivity order is:
The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reactions

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