1
WB JEE 2022
MCQ (Single Correct Answer)
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-0.25
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What is the correct order of acidity of salicylic acid, 4-hydroxybenzoic acid, and 2, 6-dihydroxybenzoic acid ?

A
2, 6-dihydroxybenzoic acid > salicylic acid > 4-hydroxybenzoic acid
B
2, 6-dihydroxybenzoic acid > 4-hydroxybenzoic acid > salicylic acid
C
salicylic acid > 2, 6-dihydroxybenzoic acid > 4-hydroxybenzoic acid
D
salicylic acid > 4-hydroxybenzoic acid > 2, 6-dihydroxybenzoic acid
2
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
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The exact order of acidity of the compounds p-nitrophenol, acetic acid, acetylene and ethanol is
A
p-nitrophenol < acetic acid < acetylene < ethanol
B
acetic acid < p-nitrophenol < acetylene < ethanol
C
acetylene < p-nitrophenol < ethanol < acetic acid
D
acetylene < ethanol < p-nitrophenol < acetic acid
3
WB JEE 2021
MCQ (Single Correct Answer)
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WB JEE 2021 Chemistry - Carboxylic Acids and Amines Question 5 English
The dipeptides which may be obtained from the amino acids glycine, and alanine are
A
only 1
B
only 2
C
both 1 and 2
D
all of them
4
WB JEE 2020
MCQ (Single Correct Answer)
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WB JEE 2020 Chemistry - Carboxylic Acids and Amines Question 14 English
For the above three esters, the order of rates of alkaline hydrolysis is
A
I > II > III
B
II > III > I
C
I > III > II
D
III > I > II
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