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 3C−4e− bond
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Solution
The correct option is C All are having 3C−4e− bond
3C−4e− 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 3C−4e− bond. The chlorine atoms acts as bridges and forms one covalent bond and other coordinate bond.