Assertion : Sb (III) is not precipitated as sulphide when in its alkaline solution H 2 S is passed. Reason : The concentration of S 2 − ion in alkaline medium is inadequate for precipitation.

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Assertion : Sb (III) is not precipitated as sulphide when in its alkaline solution H 2 ​ S is passed. Reason : The concentration of S 2 − ion in alkaline medium is inadequate for precipitation.

TestHub · Accepted Answer

Sb (III) is a basic radical of IIB group for which group reagent is H 2 ​ S in presence of dilute HCl . It is necessary to maintain the proper hydrogen ion concentration for the precipitation of IInd group cations and to check the precipitation of IV group cations.

Chemistry - Ionic Equilibrium Question with Solution | TestHub

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