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.
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