Na2SO3, NaCl, Na2C2O4, Na2HPO4, Na2CrO4, NaNO2, CH3CO2Na are separately treated with AgNO3 solution. In how many cases is/are white ppt. obtained ?
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Solution
When Na2SO3, NaCl, Na2C2O4, NaNO2, CH3CO2Na are separately treated with AgNO3 solution, the white ppt of Ag2SO3, AgCl, Ag2C2O4, AgNO2, CH3CO2Ag are obtained. Thus, in five cases, white ppt is obtained. Ag2CrO4 is brown red in colour.