Statement- 1: In the coagulation of negatively charged arsenic sulphide sol, the coagulating power decreases in the order `Al^(3+) gt Ba^(2+) gt Na^(+)`.
Statement- 2: Generally greater the valency of coagulating ion, the greater is its power of coagulation.
A. Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for Statement-1.
B. Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.
C. Statement-1 isTrue, Statement-2 is False.
D. Statement-1 is False, Statement-2 is True.
