(CH3)3C -, (CH 3 ) ₂ CH ₂ CH 3 CH 2 -;CH3 groups in the order of increasing +I effect

(CH3)3C -, (CH 3 ) ₂ CH ₂ CH 3 CH 2 -;CH3 groups in the order of i

1.	(CH3)3C -, (CH 3 ) ₂ CH ₂ CH 3 CH 2 -;CH3 groups in the order of increasing +I effect
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