Download the app

Questions  

The first and second dissociation constant of an acid H2A are 1.0 × 10-5 and 5.0 × 10-10 respectively. The overall dissociation constant of the acid will be

Remember concepts with our Masterclasses.

80k Users
60 mins Expert Faculty Ask Questions
a
5.0 × 10-5
b
5.0 × 1015
c
5.0 × 10-15
d
0.2 × 10-5

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is C

H2A  ⇌  HA-  +  H+K1 = HA- H+H2A            ….. (1)HA-  ⇌  H+  +  A2-K2 = H+A-2HA-         …..(2)For the reactionH2A  ⇌  2H++ A2-K = HA- H+H2A  x  H+ A2-HA- =H+2 A2-H2A  = K1  ×  K2= 1 × 10-5 ×  5 × 10-10 = 5 × 10-15

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?

ctaimg

Create Your Own Test
Your Topic, Your Difficulty, Your Pace


Similar Questions

The hydrogen ion concentration in weak acid of dissociation constant Ka and concentration c is nearly equal to


phone icon
whats app icon