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The partial pressure of CH3OH,CO and H2 ...

The partial pressure of `CH_3OH,CO and H_2` in the equilibrium mixture for the reaction `CO+2H_2 hArr CH_3OH "at" 427^@C` are 2.0 ,1.0 and 0.1 atm respectively. The value of `K_p` for the decomposition of `CH_3OH` to CO and `H_2` is

A

`1xx10^(2)atm`

B

`2xx10^(2)atm^(-1)`

C

`50atm^(2)`

D

`5xx10^(-3)atm^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`CH_(3)OH toCO+2H_(2)`
`([H_(2)]^(2)[CO])/([CH_(3)OH])=(0.1xx0.1xx1)/(2)=(0.01)/(2)=(10xx10^(-3))/(2)`
`=5xx10^(-3).`
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