Which halogen is known to cause the reaction given below : 2Cu2+ + 4X– Cu2X2(s) + X2 (A) Only Chlori — JEE Mains Chemistry Past Papers Chemistry Question
Question
Which halogen is known to cause the reaction given below : 2Cu2+ + 4X– Cu2X2(s) + X2 (A) Only Chlorine (B) Only Bromine (C) All halogens (D) Only Iodine
Answer: D
💡 Solution & Explanation
CuI2 is unstable, Eocell for this reaction will be positive.
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