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 wh

Question

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 wh

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 dilute `NaCl` solution and one formed a black precipitate with `H_(2)S`.The salt could be:
A. `AgNO_(3)`
B. `Pb(NO_(3))_(2)`
C. `Hg(NO_(3))_(2)`
D. `Mn(NO_(3))_(2)`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`Pb(NO_(3))_(2)+2NH_(4)OHtoPb(OH)_(2)darr("white")+2NH_(4)NO_(3)`
`Pb(NO_(3))_(2)+2NaCl to PbCl_(2)darr("white")+2NaNO_(3)`
`Pb(NO_(3))_(2)+H_(2)S to PbS darr("black")+2NaNO_(3)`

5 views Answered 2023-02-05 15:29