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Standard XII

Chemistry

Equivalent, Molar Conductivity and Cell Constant

The correct o...

Question

The correct order of acid strengths of benzoic acid (X), peroxybenzoic acid (Y) and p-nitrobenzoic acid (Z) is:

Y > Z > X

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Z > Y > X

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Z > X > Y

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Y > X > Z

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Solution

The correct option is B Z > X > Y
REF.Image.
( $- N O 2$ is strong electron withdrowing group, which stablizes the negative charge)

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Similar questions

Q. The correct increasing order of the acid strength of benzoic acid (I),

4 -

nitrobenzoic acid (II),

3, 4 -

dinitro benzoic acid (III) and

4

- methoxy benzoic acid (IV) is:

Q. Decreasing order of acidity of p-methoxy benzoic acid (A), p-nitrobenzoic acid (B) and benzoic acid (C) is :

Q. Arrange benzoic acid, 4-methyl benzoic acid and 4-nitrobenzoic acid in increasing order of their acidic strength.

Arrange the following compounds in increasing order of their property as indicated :

Acetaldehyde, acetone, di-tert-butyl ketone, methyl torl-butyl ketone (reactivity towards HCN).

$C H_{3} C H_{2} C H (B r) C O O H, C H_{3} C H (B r) C H_{2} C O O H, (C H_{3})_{2} C H C O O H, C H_{3} C H_{2} C H_{2} C O O H {(a c i d s t r e n g t h)}$

Benzoic acid, 4 - nitrobenzoic acid, 3, 4 - dinitro benzoic acid, 4 - methoxy benzoic acid (acid strength).

Q. Give the order of acidic character of the following:
i. a.

p

-Nitrobenzoic acid
b. 2, 4-Dinitrobenzoic acid
c. 2, 4, 6-Trimethylbenzoic acid
d. 2, 3, 4-Trinitrobenzoic acid
ii. a.

P h_{3} C H

P h_{2} C H_{2}

P h C H_{3}

iii. 2, 6-Di-tert-butyl phenol is a much weaker acid than phenol.
iv. a. Phenol
b. Cyclohexanol
c.

p

-Bromophenol
d.

p

-Methoxy phenol
vi. a. Benzoic acid
b.

p

-tert-Butylbenzoic acid
c.

p

-Nitrobenzoic acid

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The correct order of acid strengths of benzoic acid (X), peroxybenzoic acid (Y) and p-nitrobenzoic acid (Z) is:

The correct option is B Z > X > YREF.Image.( −NO2 is strong electron withdrowing group, which stablizes the negative charge)

The correct option is B Z > X > Y
REF.Image.
( $- N O 2$ is strong electron withdrowing group, which stablizes the negative charge)