10. In which of the following molecule/ion all the bonds are not equal?
(i) XeF⁴
(ii) BF⁴-
(iii) C²H⁴
(iv) SiF⁴
plz give the correct answer with relevent reason also.. plz....
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Answer: In (ii), BF4- the bond is not equal. Explanation: (i) In XeF4, the configuration of Xe is sp3d2 which have 2 lone pairs on it. (ii) In BF4-, the boron has 3 electrons which makes the covalent bond with 4 fluorides.
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