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Ka(1), Ka(2) and Ka(3) are the respectiv...

`Ka_(1), Ka_(2)` and `Ka_(3)` are the respective constants for the following reactions
`H_(2)S hArr H^(+) + HS^(-)`
`HS^(-) hArr H^(+) + S^(2-)`
`H_(2)S hArr 2H^(+) + S^(2-)`
The correct relationship between `Ka_(1), Ka_(2)` and `Ka_(3)` is

A

` K_(a3) = K_(a1) xx K_(a2)`

B

`K_(a3) = K_(a1) + K_(a2)`

C

`K_(a3) = K_(a1) - K_(a2)`

D

`K_(a3) = K_(a1) // K_(a2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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