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At 490^(@)C, the equilibrium constant fo...

At `490^(@)C,` the equilibrium constant for the stnthesis of HI is 50, the value of K for the dissocisation of HI will be

A

`20.0 `

B

`2.0`

C

`0.2 `

D

`0.02`

Text Solution

Verified by Experts

The correct Answer is:
D
K for dissociation of HI =?
`H_2 +I_2 hArr 2HI`
`K_(alpha) =50 , K_(b) =1/50 = 0.02`
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