Question

The K of Ag, CrO4, AgCl, AgBr and Agl are
respectively, 1.1 x 10-12, 1.8 * 10-10, 5.0 x 10-13
8.3 * 10-17 Which one of the following salts will
precipitate last if AgNO3 solution is added to the
solution containing equal moles of NaCl, NaBr, Nal
and NaCrO4?

(1) Ag,CrO4
(2) Ag|
(3) AgCI
(4) AgBr​

Answer 1

Explanation:

ans is Ag2CrO4 because any substance solubility is hight then it ppt last