Three separate samples of a solution of a single salt gave these results
CHEMISTRY · Single correct · GCSE · Chemistry · Chemical Analysis · Chemical Analysis
Problem
Three separate samples of a solution of a single salt gave these results. One formed a white precipitate with excess ammonia solution, one formed a white precipitate with dil. NaCl solution and one formed a black precipitate with H2S . The salt could be:
(1) AgNO3
(2) Pb(NO3)2
(3) Hg(NO3)2
(4) MnSO4