Aluminium chloride exists as dimer, Al2Cl6, in solid state as well as in solution or non-polar solvents such as benzene. When dissolved in water, it gives:
A
Al3++3Cl−
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B
[Al(H2O6)]3++3Cl−
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C
[Al(HO6)]3++HCl
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D
Al2O3+6HCl
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Solution
The correct option is A[Al(H2O6)]3++3Cl− AlCl3 is covalent but in water, it becomes ionic due to large hydration energy of Al3+.