Arrangement of (CH3)3C-, (CH3)2CH-, CH3-CH2- when attached to benzyl or an unsaturated group in increasing order of inductive effect is

Question

Arrangement of (CH₃)₃C-, (CH₃)₂CH-, CH₃-CH₂- when attached to benzyl or an unsaturated group in increasing order of inductive effect is

(CH₃)₃C- < (CH₃)₂CH- < CH₃-CH₂

CH₃-CH₂- < (CH₃)₂CH- < (CH₃)₃C-

(CH₃)₂CH- < (CH₃)₃C- < CH₃-CH₂

(CH₃)₃C- < CH₃-CH₂- < CH₃)₂CH-

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