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Sub que : Explain sigma-bond formation in ethyne . |
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Answer» Solution : In ethyne one sp hybrid orbital of one carbon atom OVERLAPS axially with sp hybrid orbital of the other carbon atom to form C-C SIGMA bond. While the other hybrids of orbital of each carbon atom overlaps axially with half filled s orbital of hydrogen atoms forming `sigma` honds. sp orbital are linear so all the four atoms H-C-C- H arrange in linear SHAPE figure of `sigma`-bond   Still 2PX and 2py orbital are perpendicular to H-C-C-H bond AXIS. |
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