Question
Chemistry Question on Acids and Bases
Ka values for acids H2SO3, HNO2, CH3COOH and HCN are respectively 1.3 × 10-2, 4 × 10-4, 1.8 × 10-5 and 4 × 10-10, which of the above acids produces stronger conjugate base in aqueous solution ?
A
H2SO3
B
HNO3
C
CH3COOH
D
HCN
Answer
HCN
Explanation
Solution
The correct answer is (D) : HCN.