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– + HCl

(b) [Al(H2O)6]3+ + Cl–

(c) Al3+ + Cl–

(d) Al2O3 + HCl

Answer 1

Correct option (b)

Explanation:

Al2Cl6 + 12H2O ⇋ 2[Al(H2O)6]3+ + 6Cl–