AIIMS 2004 Chemistry Precipitation Reactions Assertion Reason Question
Assertion : Sb (III) is not precipitated as sulphide when in its alkaline solution H₂S is passed.
Reason : The concentration of S²⁻ ion in alkaline medium is inadequate for precipitation.
If both assertion and reason are true and reason is the correct explanation of assertion
If both assertion and reason are true but reason is not the correct explanation of assertion
If assertion is true but reason is false
If both assertion and reason are false
Correct Answer
Detailed Explanation
Sb(III) is a basic radical of IIB group for which group reagent is H2S in presence of dilute HCl. It is necessary to maintain the proper hydrogen ion concentration.
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