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In the preparation of CaO from CaCO(3) u...

In the preparation of CaO from `CaCO_(3)` using the equilibrium,
`CaCO_(3)(s) hArr CaO(s)+CO_(2)(g)`
`K_(p)` is expressed as
`log K_(p)=7.282-8500/T`
For complete decomposition of `CaCO_(3)`, the temperature in celsius to be used is:

A

`1167`

B

`894`

C

`8500`

D

`850`

Text Solution

Verified by Experts

The correct Answer is:
B
On complete decomposition of `CaCO_(3)`
`log K_(p)=0`
therefore `8500/T=7.282` or `T=8500/7.282=894^(@)C`
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