1.

Pure ammonia is placed in a vessel at temperature where its dissociation constant (\[\alpha \]) is appreciable. At equilibrium [IIT 1984; Kurukshetra CEE 1998]

A.                 \[{{K}_{p}}\] does not change significantly with pressure
B.                 \[\alpha \] does not change with pressure
C.                 Concentration of \[N{{H}_{3}}\] does not change with pressure
D.                 Concentration of \[{{H}_{2}}\] is less than that of \[{{N}_{2}}\]
Answer» B.                 \[\alpha \] does not change with pressure


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