Aluminium chloride exists as dimer, Al2Cl6 in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives:
A
[Al(OH)6]3−+3HCl
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B
Al2O3+6HCl
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C
Al3++3Cl−
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D
[Al(H2O)6]3++3Cl−
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Solution
The correct option is C[Al(H2O)6]3++3Cl− When Al2Cl6 is dissolved in water, it is ionized to form [Al(H2O)6]3+ and Cl(−) due to large hydration energy of Al3+.