Write the expression for the equilibrium constant, Kc for each of the following reactions: (i) 2NOCl (g) ⇌ 2NO (g) + Cl 2 (g) (ii) 2Cu(NO 3 ) 2 (s) ⇌ 2CuO (s)+4NO 2 (g)+O 2 (g) (iii) CH 3 COOC 2 H 5 (aq) + H 2 O(l) ⇌ CH 3 COOH (aq) + C 2 H 5 OH (aq) (iv) Fe 3+ (aq) + 3OH – (aq) ⇌ Fe(OH) 3 (s) (v) I 2 (s) + 5F 2 ⇌ 2IF 5

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