JEE Previous Year Question
Upon heating with Cu2S, the reagent(s) that give copper metal is/are
Topic: JEE PYQ
Answer: B, C, D. Full step-by-step solution below.
- ACuFeS2
- BCuO
- CCu2O
- DCuSO4
Correct answer: B, C, D
Solution
(b,c,d) + O → 6Cu +S + 2CuO → 4Cu +
S + → 3Cu +
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