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  • When  gas is possed through HCl containing solutions of <img alt="CuCl_2,HgCl_2,BiCl_3 \: \: and\: \: CoCl_2" src="/latex-image/?CuCl_2%2CH

When H_2S gas is possed through HCl containing solutions of CuCl_2,HgCl_2,BiCl_3 \: \: and\: \: CoCl_2 which does not precipitate out?

Option: 1

CuS


Option: 2

HgS


Option: 3

Bi_2S_3


Option: 4

CoS


Answers (1)

best_answer

As we learnt

Cu^{2+},HgCl_2\: \: and\: \: Bi^{3+} forms precipitate upon given condition while Co^{2+} does not precipitate.

Posted by

seema garhwal

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