Question
Question: In pure liquid of HCOOH, concentration of HCOO– = 10-3 M at 270C. What is the self ionisation consta...
In pure liquid of HCOOH, concentration of HCOO– = 10-3 M at 270C. What is the self ionisation constant (K = [HCOOH2+] [HCOO–])
A
10-3
B
103
C
106
D
10-6
Answer
10-6
Explanation
Solution
K = [HCOOH2+] [HCOO–] = 10-3 × 10-3 = 10-6