1.

Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with AgNO_(3) solution and if the precipitate is heated with water, a black precipitate is obtained, and the supernatent liquid then gives a white precipitate with BaCl_(2) solution. Reason: Ag^(+) ion forms a complex withn thiosulphate ions which upon hydrolysis undergoes disproportionation to yield SO_(4)^(2-) ion(supernatent liquid) and Ag_(2)S (black precipitate)

Answer»

Statement-I and Statement-II are CORRECT and Statement-II is correct EXPLANATION of Statement-I
Statement-I and Statement-II are correct and Statement-II is not correct explanation of Statement-I
Statement-I is correct and Statement-II is not correct
Statement-I is not correct and Statement-II is correct

Answer :C


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