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Question

Which of the following molecule has 3C−4e− bond?

A
Al2Cl6
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B
Be2Cl4
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C
I2Cl6
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D
All are having 3C4e bond
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Solution

The correct option is C All are having 3C4e bond
3C4e bond is a model used to explain bonding in certain hypervalent molecules such as tetratomic & hexatomic interhalogen compounds, sulphur tetrafluoride, xenon fluoride and the fluoride ions.

Al2Cl6, Be2Cl4 and I2Cl6 contain 3C4e bond. The chlorine atoms acts as bridges and forms one covalent bond and other coordinate bond.

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