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  • A student receives a mixture of white compounds. If the mixture contains and , what te

A student receives a mixture of white compounds. If the mixture contains Hg_{2}Cl_{2} and AgCl, what test can be done to detect them?

Option: 1

Dissolving them in hot water.


Option: 2

Dissolving them in H_{2}SO_{4}.


Option: 3

Dissolving them in NH_{3}


Option: 4

They cannot be separated.


Answers (1)

best_answer

While AgCl dissolves in ammonia (due to the formation of the complex ion \left.\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]^{+}\right) \text {, } \mathrm{Hg}_2 \mathrm{Cl}_2 gives a black precipitate consisting of a mixture of chloro-mercuric amide and elemental mercury.

 

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