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Aluminium chloride exists as dimer, Al_{2}Cl_{6}  in solid state as well as in solution of non­polar solvents such as benzene. When dissolved in water, it gives

  • Option 1)

    Al^{3+}+3Cl^{-}\;

  • Option 2)

    \; [Al(H_{2}O)_{6}]^{3+}+3Cl^{-}\; \;

  • Option 3)

    \; [Al(OH)_{6}]^{3-}+3HCl\;

  • Option 4)

    \; \; Al_{2}O_{3}+6HCl\;

 

Answers (2)

As we have learned

Property of aluminium chloride -

Dimeric structure disappears when dissolved in water. It is hygroscopic in nature.

-

 

 AlCl_3  is covalent in nature , but in water it becomes ionic because of large hydration energy of AlCl^{3+}

AlCl_3 + 6H_2O \rightleftharpoons [ Al (H_2O)_6]^{3+}+ 3Cl^-

 


Option 1)

Al^{3+}+3Cl^{-}\;

Option 2)

\; [Al(H_{2}O)_{6}]^{3+}+3Cl^{-}\; \;

Option 3)

\; [Al(OH)_{6}]^{3-}+3HCl\;

Option 4)

\; \; Al_{2}O_{3}+6HCl\;

Posted by

subam

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[Al(H_{2}O)_{6}]^{3+}+3Cl^{-}

Posted by

Sarthak gupta

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