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Question
Give the decreasing order of the reaction rates of the following benzyl alcohol with HBr.
Give the decreasing order of the reaction rates of the following benzyl alcohol with HBr.
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Solution
The correct option is A I > II > III > IV
The decreasing order of the reaction rates of the following benzyl with HBr are as shown.
When an electron releasing group such as methoxy group is present, it increases the reactivity. Hence, (I) is more reactive than (II).
When an electron withdrawing group such as Cl or nitro is present, it decreases the reactivity greater is the electron withdrawing nature of the group, lower is the reactivity.
Hence, (III) and (IV) are less reactive than (II).
The decreasing order of the reaction rates of the following benzyl with HBr are as shown.
When an electron releasing group such as methoxy group is present, it increases the reactivity. Hence, (I) is more reactive than (II).
When an electron withdrawing group such as Cl or nitro is present, it decreases the reactivity greater is the electron withdrawing nature of the group, lower is the reactivity.
Hence, (III) and (IV) are less reactive than (II).
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