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JEE Main Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main

Equal weights of Zn metal and iodine are mixed together and is completely converted to ZnI. What fraction by weight of original Zn remains unreacted? (Zn = 65, I = 127)

Answer: (C)

Solution

Let the common mass be . Moles Zn , moles I. Since , I is the limiting reagent and reacts

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Question ID VK-130606