Question
Question: Arrange in increasing order of solubility of AgBr in the given solutions. (i) 0.1 M NH3 (ii) 0.1 M...
Arrange in increasing order of solubility of AgBr in the given solutions.
(i) 0.1 M NH3
(ii) 0.1 M AgNO3
(iii) 0.2 M NaBr (iv) pure water
A
(iii) < (ii) < (iv) < (i)
B
(iii) < (ii) < (i) < (iv)
C
(iii) < (ii) = (i) < (iv)
D
(ii) < (iii) < (iv) < (i)
Answer
(iii) < (ii) < (iv) < (i)
Explanation
Solution
Order of solubility : Complex formation > Pure water > Common ion effect.
AgBr form complex [Ag (NH3)2]+ in NH3 so solubility is maximum in NH3 (aq).