Published by:
CGP EDU Academic Team
Published on: August 21, 2026
Phosphoric acid ionizes in three steps with their ionization constant values
and 
, respectively,
While K is the overall ionization constant.
Which of the following statements are true ?
A
A and B only
B
is a stronger acid than 
and 
A and C only
B, C and D only
C
D
Choose the correct answer from the options given below: A, B and C only
Text Solution
Verified by ExpertsThe correct answer is:
For polybasic acid, order of ionization constant is 
because as negative charge increases, tendency to loose 
ions decreases.
Overall 
Taking 
on both sides
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