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Assertion (A) : For the reaction N(2)(...

Assertion (A) `:` For the reaction
`N_(2)(g) +3H_(2)(g) hArr 2NH_(3)(g)`
unit of `K_(c) =L^(2) mol^(-2)`
Reason (R ) `:` For the reaction
`N_(2)(g)+3H_(2)(g) hArr 2NH_(3)(g)`
equilibrium constant `K_(c)=([NH_(3)]^(2))/([N_(2)]xx[H_(2)]^(3))`

A

If both assertion and reason are true, and reason is the true explanation of the assertion .

B

If both assertion and reason are true but reason is the true explanation of the assertion .

C

If assertion is true, but reason is false.

D

If both assertion and reason are false .

Text Solution

Verified by Experts

The correct Answer is:
A
` K_(c) = [NH_(3)]^(2)/([N_(2)][H_(2)]^(3))=( " mol" L^(-1))^(2)/(("mol"L^(-1))("mol"L^(-1))^(3))`
` = (mol L^(-1))^(-2)=L^(2) mol^(-2)`
Hence , R is the correct explanation of A.
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