Question

give observation-
dil hcl in lead nitrate solution
2)dil hcl in copper carbonate
3)dil.hcl in sodium thiosulphate​

Answer 1

1) Dil. HCl does not normally react with nitarates. However lead nitrate react with HCl acid to give white ppt. Of lead.

(PbCl2 and HNO3 are produced).

2) CuCl2 + H2O + CO2 are produced

3) Dil. HCL acid reacts with thiosulphates to produce sulphur dioxide gas and yellow sulphur is precipitated.

Hope this will help you

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