Question

For the reaction :
$Fe _{2} N ( s )+\frac{3}{2} H _{2}( g ) \rightleftharpoons 2 Fe ( s )+ NH _{3}( g )$

• A. $K _{ C }= K _{ P }( RT )$
• B. $K _{ C }= K _{ P }( RT )^{-1 / 2}$
• C. $K _{ C }= K _{ p }( RT )^{-3 / 2}$
• D. $K _{ C }= K _{ P }( RT )^{1 / 2}$

Answer 1

Answer: (D)

For reaction

$Fe _{2} N ( s )+\frac{3}{2} H _{2}( g ) \rightleftharpoons 2 Fe ( s )+ NH _{3}( g )$

$\Delta ng =\left(1-\frac{3}{2}\right)=-\frac{1}{2}$

$K _{ p }= K _{ C }( RT )^{-1 / 2}$

$K _{ C }= K _{ p }( RT )^{1 / 2}$