NEET2023Chemistry-Transition Elements

NEET 2023 Chemistry Stability of Oxidation States MCQ Question

Type: MCQ-conceptual-Medium-Class 12

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.

Correct Answer

Option hydration energy.

Detailed Explanation

Cu2+ is more stable than Cu+ in aqueous solution due to the higher hydration energy of Cu2+, which compensates for the energy required to remove the second electron.

Found an issue with this question?