Question

Arrange given diabasic acids in decreasing order of acidic strength
$1.$ Oxalic acid $2.$ Adipic acid $3.$ Malonic acid $4.$ Succinic acid

• A. 1, 3, 4, 2
• B. 1, 4, 3, 2
• C. 3, 4, 2, 1
• D. 2, 3, 1, 4

Answer 1

Answer: (A)

The decreasing order of acidic strength is as follows
Oxalic acid > Malonic acid > Succinic acid > Adipic acid
As acidic strength decreases with the increase in number of C-atoms in acid.