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On adding NH4HS in following equilibrium...

On adding `NH_4HS` in following equilibrium `NH_4HS(s)` `leftrightarrow` `NH_3(g)+H_2S(g) `

A

Total pressure in the container increases

B

Partial pressure of` NH_3 `increases but partial pressure of `H_2S` decreases

C

`K_p `increases

D

No effect is observed

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The correct Answer is:
D
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