Question

0.5 molal aqueous solution of a weak acid (HX)
is 20% ionised. If K???? for water is 1.86 K kg
mol⁻¹,the lowering in freezing point of the solution is
(a) 0.56 K (b) 1.12 K
(c) – 0.56 K (d) – 1.12 K

Answer 1

Answer:

0.5 molal aqueous solution of a weak acid (HX)

is 20% ionised. If K???? for water is 1.86 K kg

mol⁻¹,the lowering in freezing point of the solution is

(a) 0.56 K

(b) 1.12 K

(c) – 0.56 K

(d) – 1.12 K

Answer 2

Answer :- Option A).....