Carboxylic Acids - Acidic Strength and Factors Affecting it NEET Questions

Organic Chemistry - Organic Compounds Containing Oxygen

Carboxylic Acids - Acidic Strength and Factors Affecting it MCQ Questions


1.
Which of the following is most acidic?
A.
Formic acid
B.
Acetic acid
C.
Benzoic acid
D.
Phenol
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ANSWER :
A. Formic acid
2.
Acidic strength of carboxylic acids increases with:
A.
Electron-donating group
B.
Electron-withdrawing group
C.
Alkyl group
D.
None
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ANSWER :
B. Electron-withdrawing group
3.
Which of the following is least acidic?
A.
Trichloroacetic acid
B.
Formic acid
C.
Acetic acid
D.
Benzoic acid
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ANSWER :
C. Acetic acid
4.
Which is more acidic: formic acid or acetic acid?

NEET - 2020

A.
Acetic acid
B.
Formic acid
C.
Equal
D.
Can't say
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ANSWER :
B. Formic acid
5.
The presence of –NO₂ group at para position in benzoic acid:
A.
Decreases acidity
B.
Increases acidity
C.
No effect
D.
Neutralizes
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ANSWER :
B. Increases acidity
6.
Which of these is more acidic than acetic acid?
A.
Ethanol
B.
Formic acid
C.
Phenol
D.
Propanol
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ANSWER :
B. Formic acid