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Standard XII

Chemistry

-I Effect

Which of the ...

Question

Which of the following belongs to +I group?

- O H

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- O C H_{3}

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- C O O H

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- C H_{3}

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Solution

The correct option is D $- C H_{3}$
Only $C H_{3}$ has the tendency to donate electrons out of the following so option (D) is correct.
$e - ∵$ donating group is + I
e- withdrawing group is - I,
- $- O H, - O C H_{3}, - C O O H$ one all -I groups. They withdraw e- towards them.

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Similar questions

Q. The priority of groups

O H, C O O H < C H O < O {C H}_{3}

attached to chiral carbon is in order:

Q. The priority of groups

O H, C O O H, C H O, O C H_{3}

attached to chiral carbon is in order:

Q. Which is the stronger acid in each of the following pairs?
(i)

C H_{3} - C O O H

and

C H_{2} = C H - C O O H

(ii)

C_{6} H_{5} - C O O H

and

C_{6} H_{5} - C H_{2} - C O O H

(iii)

C H_{3} - C H_{2} - C O O H

and

C H_{3} - C H | O H - C O O H

Name the functional groups present in the following compounds: [5 MARKS]

1. ${CH}_{3} - {CH}_{2} - {CH}_{2} - OH$
2. ${CH}_{3} - {CH}_{2} - {CH}_{2} - COOH$
3. ${CH}_{3} - {CH}_{2} - CHO$
4. ${CH}_{3} - CO - {CH}_{2} - {CH}_{3}$
5. ${CH}_{3} - {CH}_{2} - CO-OH$

Q. What is the correct order of decreasing stability of the following cations?

I - C H_{3} - * C H - C H_{3}

I I - C H_{3} - * C H - O C H_{3}

I I I - C H_{3} - * C H - C H_{2} - O C H_{3}

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Which of the following belongs to +I group?

The correct option is D −CH3Only CH3 has the tendency to donate electrons out of the following so option (D) is correct.e−∵ donating group is + Ie- withdrawing group is - I,-−OH,−OCH3,−COOH one all -I groups. They withdraw e- towards them.

The correct option is D $- C H_{3}$
Only $C H_{3}$ has the tendency to donate electrons out of the following so option (D) is correct.
$e - ∵$ donating group is + I
e- withdrawing group is - I,
- $- O H, - O C H_{3}, - C O O H$ one all -I groups. They withdraw e- towards them.