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प्रश्न
State your observation when dilute hydrochloric acid is added to a lead nitrate solution and the mixture is heated.
State one relevant observation for the following:
Lead nitrate solution is mixed with dilute hydrochloric acid and heated.
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उत्तर
When dil. HCl is added to lead nitrate solution and heated, it forms a white precipitate of lead chloride.
\[\ce{Pb(NO3)2 + 2HCl -> PbCl2 + 2HNO3}\]
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(b) Iron (III) chloride
(c) Chromium sulphate
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(ii) A compound which is insoluble in cold water, but soluble in hot water
(iii) The compound responsible for the brown ring during the brown ring test of nitrate iron
(iv) A compound whose aqueous solution is neutral in nature
(v) The compound which is responsible for the green colouration when sulphur dioxide is passed through acidified potassium dichromate solution
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