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Assertion: Extraction of zinc from sphalerite ore involes the roasting followed by reduction with coke. Reason: Zinc can be extracted by hydrometallurgy.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If assertion is false but reason is true. |
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Answer» Correct Answer - C Assertion. Sphalerite is `ZNS`, `2ZnS +3O_(2)rarr 2ZnO +2SO_(2)`, `ZnO + C rarrZn +CO`. Reason: Zinc is highly reactive metal, it cannot be displace form a solution of `ZnSO_(4)` so easily. Thus reason is incorrect. |
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