The value of equilibrium constant is changed in the presence of a catalyst in the reaction at equilibrium.

Enzymes catalyse mainly bio-chemical reactions.

Coenzymes increase the catalytic activity of enzyme.

Catalyst does not initiate any reaction.

Sn²⁺ is oxidising while Pb⁴⁺ is reducing

Sn²⁺ and Pb²⁺ are both oxidising and reducing

Sn⁴⁺ is reducing while Pb⁴⁺ is oxidising

Sn²⁺ is reducing while Pb⁴⁺ is oxidising

(A) $$ \to $$ (iii);  (B) $$ \to $$ (i);  (C) $$ \to $$ (iv);  (D) $$ \to $$ (ii)

(A) $$ \to $$ (v);  (B) $$ \to $$ (iv);  (C) $$ \to $$ (iii);  (D) $$ \to $$ (ii)

(A) $$ \to $$ (iv);  (B) $$ \to $$ (iii);  (C) $$ \to $$ (ii);  (D) $$ \to $$ (i)

(A) $$ \to $$ (iii);  (B) $$ \to $$ (iv);  (C) $$ \to $$ (i);  (D) $$ \to $$ (ii)

S₄O₆^2$$-$$, S₂O₃^2$$-$$

S₂O₇^2$$-$$, S₂O₈^2$$-$$

S₄O₆^2$$-$$, S₂O₇^2$$-$$

S₂O₇^2$$-$$, S₂O₃^2$$-$$