Home
Class 12
CHEMISTRY
The first and second dissociation consta...

The first and second dissociation constant of an acid `H_(2)A` are `1.0xx10^(-5)` and `5.0xx10^(-10)` repectively. The overall dissociation constant of the acid will be

A

`5.0xx10^(-5)`

B

`5.0xx10^(15)`

C

`5.0xx10^(-15)`

D

`0.2xx10^(5)`

Text Solution

Verified by Experts

The correct Answer is:
C
`K_(a)=K_(a1)xxK_(a2)=5xx10^(-15)`
Promotional Banner

Similar Questions

Explore conceptually related problems

The first and second dissociation constants of an acid H_(2)A are 1 xx 10^(-5) and 5 xx 10^(-10) respectively. The overall dissociation constant of the acid will be

The dissociation constants of two acids HA_(1) and HA_(2) are 3.0xx10^(-4) and 1.8xx10^(-5) respectively. The relative strengths of the acids will be approximately

The first and second dissociation constants of a weak diacidic base B(OH)_(2) are 1xx10^(-7) and 1.3xx10^(-14) respectively. Approximate pH of 0.1M solution of this base is

The dissociation constant of two acids HA_(1) " and " HA_(2) are 3.14 xx 10^(-4) " and " 1.96 xx 10^(-5) respectively . The relative strength of the acids will be approximately

The dissociation constant of a weak acid HA and weak base BOH are 2 xx 10^(-5) and 5 xx 10^(-6) respectively. The equilibrium constant for the neutralization reaction of the two is (ignnore hydrolysis of resulting salt )