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Inductive Effect

The correct o...

Question

The correct order of strength of $+ I$ effect is:
I. $- C H_{3}$ II. $- C D_{3}$ III. $- C T_{3}$ IV. $- C H D_{2}$

A

I > II > III > IV

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B

I > IV > II > III

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C

III > IV > II > I

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D

III > II > IV > I

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Solution

The correct option is D III > II > IV > I
The order of electropositive nature of atoms is $T > D > H$ .
More electropositive atom will show more $+ I$ effect due to its higher ability to donate shared pair of electrons.
Therefore, the correct order of strength of $+ I$ effect is :
$- C T_{3} > - C D_{3} > - C H D_{2} > - C H_{3}$

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Inductive Effect

Standard XII Chemistry

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