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For which equation is the equilibrium co...

For which equation is the equilibrium constant equal to `K_a` for the ammonium ion, `NH_4^+`?

A

`NH_4^+(aq)+OH^(-)(aq)hArr NH_3(aq)+H_2O(l)`

B

`NH_4^+(aq)+H_2O(l)hArr NH_3(aq)+H_3O^+(aq)`

C

`NH_3(aq)+H_2O(l)hArr NH_4^+(aq)+OH^(-)(aq)`

D

`NH_3(aq)+H_3O^+(aq)hArr NH_4^+(aq)+H_2O(l)`

Text Solution

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The correct Answer is:
b
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