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26/09/2021 11:50 am
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Hydrogen has an ionisation energy of 1311 kJ mol–1 and for chlorine it is 1256 kJ mol–1. Hydrogen forms H+ (aq) ions but chlorine does not form Cl+(aq) ions because
(a) H+ has lower hydration enthalpy
(b) Cl+ has lower hydration enthalpy
(c) Cl has high electron affinity
(d) Cl has high electronegativity
1 Answer
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26/09/2021 11:52 am
Correct answer: (b) Cl+ has lower hydration enthalpy
Explanation:
Hydration energy of Cl+ is very less than H+, hence it doesn’t form Cl+(aq) ion.