Find out the order of stability between A CH3-CH2-COOH-CH-CH-CH3B CH3-COOH-CH-CH2-CH-CH3C COOH-CH2-CH2-CH2-CH-CH3

COOH is an electron withdrawing group. Therefore, it will increase the stability of the carbanion nbsp; by withdrawing electron and decreasing electron densi ...

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Standard XIII

Chemistry

Carbanion

Find out the ...

Question

Find out the order of stability between $(A) C H_{3} - C H_{2} - C | C O O H H - - C H - C H_{3}$
$(B) C H_{3} - C | C O O H H - C H_{2} - - C H - C H_{3}$
$(C) C | C O O H H_{2} - C H_{2} - C H_{2} - - C H - C H_{3}$

A>B>C

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B>A>C

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C>A>B

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B>C>A

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Solution

The correct option is A A>B>C
$- C O O H$ is an electron withdrawing group. Therefore, it will increase the stability of the carbanion by withdrawing electron and decreasing electron density on carbanion.
As the distance between the electron withdrawing group $(- C O O H)$ and carbanion carbon increases,the -I effect of $(- C O O H)$ group decreases as -I effect is distance dependent and vanishes after 2nd carbon.
Therefore, the order of stability of carbanion is:
A>B>C

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Similar questions

Q. Write IUPAC names of the following

@CH3-CH2-CH=CH2
@CH3-CH2-CH2-C(CH3)2-CH3
@CH3-CH2-CHO
@CH3-CH(OH)-CH3
@CH3-CH2-CH2-COOH

Q. Pick out the correct reactions:

A . C H_{3} - C H = C H_{2} + H C l ⟶ C H_{3} - C | C l H - C H_{3}

B . C H_{3} - C H = C H_{2} + H B r ⟶ C H_{3} - C H_{2} - C H_{2} B r

C . C H_{3} - C H = C H_{2} + H B r p e r o x i d e - ---- \to C H_{3} - C H_{2} - C H_{2} - B r

D . C H_{3} - C H = C H_{2} + H I p e r o x i d e - ---- \to C H_{3} - C | I H - C H_{3}

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

Write IUPAC name of the above compound.

Q. Which amongst the following is a positional isomer of

{CH}_{3} - {CH}_{2} - CH = {CH}_{3}

Q. Find out the order of stability between

(A) C H_{3} - C | F H - - C H - C H_{3}

(B) C | F H_{2} - C H_{2} - - C H - C H_{3}

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Carbanion

Standard XIII Chemistry

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Find out the order of stability between (A) CH3−CH2−C|COOHH−−CH−CH3 (B) CH3−C|COOHH−CH2−−CH−CH3 (C) C|COOHH2−CH2−CH2−−CH−CH3

Find out the order of stability between $(A) C H_{3} - C H_{2} - C | C O O H H - - C H - C H_{3}$
$(B) C H_{3} - C | C O O H H - C H_{2} - - C H - C H_{3}$
$(C) C | C O O H H_{2} - C H_{2} - C H_{2} - - C H - C H_{3}$