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AlCl3 anhydrous is covalent but AlCl3. 6...

`AlCl_3` anhydrous is covalent but `AlCl_3. 6H_2O` is ionic because

A

`AlCl_3`dissolves in `CS_2`

B

`AlCl_3` has planar structure

C

IE of Al is low

D

Hydration energy of Al compensates the IE

Text Solution

Verified by Experts

The correct Answer is:
D
The hydrated Aluminium chloride trivalent complex ion `[Al (H_2O)_6]^(3+)`, formation of which is exothermic process. The energy relased is sufficient to cause the ionisation of Al.
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NARAYNA-CHEMICAL BONDING AND MOLECULAR STRUCTURE-EXERCISE -4
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  3. AlCl3 anhydrous is covalent but AlCl3. 6H2O is ionic because

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