Explain why boron halides don’t conduct electricity in the liquid state?
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As intermolecular spaces increase in liquid hence it is unable to conduct electricity
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Answer : as they are covalent compounds.
Explanation:
Boron halides have oxidation state +3.
They include oxides, chlorides and iodides.
For example BF3, BCl3 etc
These are electron deficient molecules.
Boron halides have covalent bonding.
That is they are covalent compunds.
The covalent bonds are formed through shared pair of electron.
So the compound carries no charge.
They are free to move and don't carry charge at all.
Also, the intermolecular spaces increase in liquid
Hence, due to the above reasons boron halides don't conduct electricity in liquid state
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