Write the expression for the equilibrium constant, Kc for each of the following reactions:
(i) 2NOCl (g) ⇌2NO (g) + Cl₂ (g)

(ii) 2Cu(NO₃)₂ (s) ⇌2CuO (s)+4NO₂ (g)+O₂ (g)

(iii) CH₃COOC₂H₅(aq) + H₂O(l) ⇌CH₃COOH (aq) + C₂H₅OH (aq)

(iv) Fe³⁺ (aq) + 3OH^– (aq) ⇌Fe(OH)₃ (s)

(v) I₂ (s) + 5F₂⇌2IF₅

Question

Philoid · Accepted Answer

For a chemical change,

aA + bB ⇌ cC + dD

Equilibrium constant K_c for the reaction,

K_c =

The concentration of solid substance and pure substance are 1.

(i) K_c =

(ii) K_c =

= [NO₂]⁴ [O₂]

(iii) K_c =

=

(iv) K_c =

=

(v) K_c =

=

Write the expression for the equilibrium constant, Kc for each of the following reactions:(i) 2NOCl (g) ⇌2NO (g) + Cl2 (g)(ii) 2Cu(NO3)2 (s) ⇌2CuO (s)+4NO2 (g)+O2 (g)(iii) CH3COOC2H5(aq) + H2O(l) ⇌CH3COOH (aq) + C2H5OH (aq)(iv) Fe3+ (aq) + 3OH– (aq) ⇌Fe(OH)3 (s)(v) I2 (s) + 5F2⇌2IF5