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(sif6)2- is known whereas (sicl6)2- not …

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(sif6)2- is known whereas (sicl6)2- not . Give possible reason
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Ayushi Ayushi 6 years, 2 months ago

in SiCl6(2-) the chlorine atom is much larger than flourine which does not allow the six chlorines to surround the silicon due to repulsions between chlorine atoms. silicon cannot acomodate 6 chlorines around it. Hence , due to interelectron repulsions between chlorine atoms the compound SiCl6(2-) is unstable and not known.
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