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For the dissociation reaction N(2)O($) (...

For the dissociation reaction `N_(2)O_($) (g)hArr 2NO_(2)(g)`, the degree of dissociation `(alpha)`interms of `K_(p)` and total equilibrium pressure P is:

A

`alpha=sqrt((4P+K_(p))/(K_(p)))`

B

`alpha=sqrt((K_(p))/(4P+K_(p)))`

C

`alpha=sqrt((K_(P))/(4P))`

D

None of these

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