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Chemical Bonding and Molecular Structure
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30/08/2021 10:27 am
Topic starter
Which of the correct increasing order of lone pair of electrons on the central atom?
(a) IF7 < IF5 < ClF3 < XeF2
(b) IF7 < XeF2 < ClF2 < IF5
(c) IF7 < ClF3 < XeF2 < IF5
(d) IF7 < XeF2 < IF5 < ClF3
1 Answer
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30/08/2021 10:31 am
Correct answer: (a) IF7 < IF5 < ClF3 < XeF2
Explanation:
The number of lone pairs of electrons on central atom in various given species are
Species - Number of lone pairs on central atom
IF7 - nil
IF5 - 1
ClF3 - 2
XeF2 - 3
Thus the correct increasing order is
IF7 < IF5 < ClF3 < XeF2
0 1 2 3