Question:
When chromite ore (A) is fused with sodium carbonate in excess of air and the product is dissolved in water, a yellow solution of compound (B) is obtained. On treating B with sulphuric acid, compound (C) can be crystallized from the solution. When compound (C) is treated with KCI, orange crystals of compound (D) crystallise out. Identify A and D.
When chromite ore (A) is fused with sodium carbonate in excess of air and the product is dissolved in water, a yellow solution of compound (B) is obtained. On treating B with sulphuric acid, compound (C) can be crystallized from the solution. When compound (C) is treated with KCI, orange crystals of compound (D) crystallise out. Identify A and D.
Updated On: Mar 13, 2025
- PbCrO4 , K2CrO4
- PbCrO4 , K2Cr2O7
- FeCr2O, K2CrO4
- FeCr2O4, K2Cr2O7
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The Correct Option is D
Solution and Explanation
The correct answer is (D) :FeCr2O4, K2Cr2O7
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