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Are BCl3 and SiCl4 electron deficient c...

Are `BCl_3` and ` SiCl_4` electron deficient compounds ? Explain.

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`BCl_3` is an electron deficient molecule since boron does not have octet. It can accept an electron pair Lewis bases and act as Lewis acid.
`SiCl_4` is not an electron deficient molecule: Silicon has octet in this compound.
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