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The aqueous solution of AlCl3 contains Al3+ ions because
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Correct option is A
AlCl3+6H2O→AlH2O6Cl3≈AlH2O6+3 + 3Cl-In AlH2O6Cl3 the oxidation state of Al is +3 .Ionisation energy is absorbed energy for the removal of three electrons.Where as hydration energy is released energy during hydration of one mole of Al+3 ions.In the above reaction both the processess are involved but hydration energy is greater than that of ionisation energy.Hence removal of three electrons easily takes place and gives Al+3 ion in solution.Similar Questions
The bond dissociation energy of BF bond in BF3 is 646 kJ mol–1 whereas that of CF in CF4 is 315 kJ mol–1. The correct reason for higher BF bond dissociation energy as compared to that of CF bond is :
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