Q. 374.5( 11 Votes )

Which one of the following does not exist?

(i) XeOF4 (ii) NeF2 (iii) XeF2 (iv) XeF6

Answer :

NeF2does not exist as it would require d orbital for bonding which Ne does not have as it belongs to period 2 and moreover a lot of energy would be used to excite the electrons to a higher energy level as the valence electrons are very close to the nucleus thus they experience strong electrostatic attraction.

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