Q.

Which of the following statement is not correct regarding SF2Cl2 molecule?

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a

Two axial bond lengths are longer compared to two equatorial bond lengths

b

Two F bond lengths are identical.

c

Two S-Cl bond lengths are identical

d

Lone pair is not changing its position

answer is A.

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Detailed Solution

Shape of sf2cl2 - Chemistry - Chemical Bonding and Molecular Structure -  11230429 | Meritnation.com

Here, a lone pair of electron present at the equatorial position. In SF2Cl2, F present at axial positions and Cl present at equatorial positions. As electronegativity of F is higher than the electronegativity of Cl, therefore the bond length of S-F is lesser than the bond length of S-Cl. 

Bond length of both S-F and S-Cl bonds are same because both S-F are at axial positions and both S-Cl are at equatorial position. SF2Cl2 has trigonal bipyramidal shape and in this shape, lone pair preferred to placed at the equatorial position, then axial. So, the location of lone pairs in SF2Cl2 is the same.

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Which of the following statement is not correct regarding SF2Cl2 molecule?