For a reaction 2A + B ⇌ C + D , the par...

For a reaction `2A + B ⇌ C + D , the partial pressure of A, B, C and D at equiliberium are 0.5, 0.8 0.7 and 1.2 atmosphere respectively. The value of `k_p` for this reaction is :

4.2

2.4

0.42

0.24

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