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Read the following paragraph and answer ...

Read the following paragraph and answer the questions given below,
for a general reaction, `aA+bB hArr cC=dD`, equilibrium constant `K_c` is given by `K_c=([C]^c[D]^d)/([A]^a[B]^b)` However, when all reactants and products are gases the equilibrium constant is generally expressed in terms of partial pressure.
`K_p=(P_C^cxx P _D^d)/(P_A^axxP_B^b)`
For the reaction, `C(s) +CO(g) hArr 2CO(g)` the partial pressure of `CO_2 and CO` are 2 and 4 atm at equilibrium . the `K_p` for the reaction is

A

0.5

B

8

C

0.4

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
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