\({K_c\over K_p}\) for the reaction,
N₂(g) + 3H₂(g) ⇌ 2NH₃(g) is ___________

(a)

\({1\over RT}\)

(b)

\(\sqrt{RT}\)

(c)

RT

(d)

(RT)²

In which of the following equilibrium, K_P and K_C are not equal ?

(a)

2 NO(g) ⇌ N₂(g) + O₂(g)

(b)

SO₂ (g) + NO₂ ⇌ SO₃(g) + NO(g)

(c)

H₂(g) + I₂(g) ⇌ 2HI(g)

(d)

PCl₅ (g) ⇌ PCl₃(g) + Cl₂(g)

If x is the fraction of PCl₅ dissociated at equilibrium in the reaction
PCl₅ ⇌ PCl₃ + Cl₂
then starting with 0.5 mole of PCl₅, the total number of moles of reactants and products at equilibrium is ___________

(a)

0.5 - x

(b)

x + 0.5

(c)

2x + 0.5

(d)

x + 1

The values of K_P1 and K_P2 for the reactions
X ⇌ Y + Z
A ⇌ 2B are in the ratio 9 : 1 if degree of dissociation and initial concentration of X and A be equal then total pressure at equilibrium P₁ and P₂ are in the ratio __________

(a)

36 : 1

(b)

1 : 1

(c)

3 : 1

(d)

1 : 9

In the reaction,
Fe (OH)₃ (s) ⇌ Fe³⁺(aq) + 3OH^–(aq),
if the concentration of OH^– ions is decreased by ¼ times, then the equilibrium concentration of Fe³⁺ will

(a)

not changed

(b)

also decreased by ¼ times

(c)

increase by 4 times

(d)

increase by 64 times