Question

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
• B. [Al(H2O)6]3+ + 3Cl–
• C. Al3+ + 3Cl–
• D. Al2O3 + 6HCl

Answer 1

Answer: (B)

$Al(H2O)6$3+ + 3Cl–

Answer 2

AlCl3 + 6H2O $\rightleftharpoons$ [Al(H2O)6]3+ + 3CI–