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JEE CHEMISTRY MCQ: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

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The compound used for gravimetric estimation of copper(II) is :
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Correct option: A
Cu(SCN)2{Cu}({SCN})_2
The correct answer is A (Cu(SCN)2{Cu}({SCN})_2) because copper(II) ions are quantitatively precipitated as copper(II) thiocyanate, Cu(SCN)2{Cu}({SCN})_2, which is then weighed for gravimetric estimation.

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