Aluminium chloride exits as a dimer, Al2Cl6 in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives:
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a
Al3++3Cl⊖
b
Al2O3+6HCl
c
AlH2O63++3Cl⊖
d
Al(OH)63−+3HCl
answer is C.
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Detailed Solution
The dimeric form Al2Cl6 is retained in non-polar solvent but is broken into ∣AlH2O6Cl3 on dissolution in water due to high heat of hydration.