In which of the following molecule/ion all the bonds are not equal? (a) XeF4 (b) BF–4 (c) C2H4 (d) SiF4

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option D, Si contains four electrons arond it therefore it forms four bonds but in other cases it is different
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Specialist in Chemistry.

In option b where there is one coodination bond
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Option C. In c2h4, 3bonds in carbon are sigma bonds and one bond is pi bond .
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