NEET Chemistry Past PapershardMCQ SINGLE

The stability of Cu2+ is more than Cu+ salts in aqueous solution due to - (A) enthalpy of atomizatioNEET Chemistry Past Papers Chemistry Question

Question

The stability of Cu2+ is more than Cu+ salts in aqueous solution due to - (A) enthalpy of atomization. (B) hydration energy. (C) second ionisation enthalpy. (D) first ionisation enthalpy.

Answer: B

💡 Solution & Explanation

Cu(s) → Cu(g) → + (g) Cu → +2 (g) Cu → +2 (aq) Cu Hatomisation IE1 IE2 Hydration energy Cu+2 is more stable than Cu+1 because released hydration energy is more in case of Cu+2 than Cu+1.

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