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

(a)

I < III < II

(b)

III< II < I

(c)

II< I <I II

(d)

III < I < II



Question ID - 52729 | SaraNextGen Top Answer

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

(a)

I < III < II

(b)

III< II < I

(c)

II< I <I II

(d)

III < I < II

1 Answer
127 votes
Answer Key / Explanation : (d) -

  CH3 group when bonded to benzene increases the electron density of benzene by +I and hyper conjugation effects and hence makes the compound more reactive towards EAS.cl group decreases the electron density of benzene by –I effect, and cH3 Co group strongly decreases the electron density of benzene by –I and –R effects. Therefore, correct increasing order the given compounds towards EAS is

127 votes


127