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


7.
Which has stronger acid character?
A.
Acetic acid
B.
Chloroacetic acid
C.
Propanoic acid
D.
Butanoic acid
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ANSWER :
B. Chloroacetic acid
8.
The acidity of carboxylic acid is mainly due to:
A.
Inductive effect
B.
Resonance
C.
Hydrogen bonding
D.
Hybridization
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ANSWER :
B. Resonance
9.
Which is least acidic?
A.
Benzoic acid
B.
Acetic acid
C.
Phenol
D.
Ethanol
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ANSWER :
D. Ethanol
10.
Which compound shows maximum acidic strength?
A.
2,4,6-Trinitrobenzoic acid
B.
Benzoic acid
C.
Toluic acid
D.
Phenol
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ANSWER :
A. 2,4,6-Trinitrobenzoic acid
11.
What is the effect of Cl group in chloroacetic acid?
A.
Increases acidity
B.
Decreases acidity
C.
No effect
D.
Changes pKa
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ANSWER :
A. Increases acidity
12.
Which has lowest pKa value?
A.
Trichloroacetic acid
B.
Acetic acid
C.
Formic acid
D.
Benzoic acid
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ANSWER :
A. Trichloroacetic acid