Question

In: Chemistry

10.41 predict the geometries of the following A) SaCl53 B) PF62 C) CIF22 D) IF42

10.41 predict the geometries of the following

A) SaCl53

B) PF62

C) CIF22

D) IF42

Solutions

Expert Solution

I think you have errorneously written the anions so I am giving as per norms

A. There is no such structure may be typo error

B. PF6- : Central atom phosphorus has 5 valence electrons and 1 extra for negative charge making total of 6

there are 6 F so there will be 6 P-F sigma bond hence the geometry will be octaheral

C. ClF2- :  Central atom Chlorine has 7 valence electrons and 1 extra for negative charge making total of 8

there are 2 F so there will be 2 Cl-F sigma bond leaving 6 electron which exist as 3 lone pair hence the geometry will be (2+3) hence the geometry will be trigonal bipyramidal and molecular shape will be linear

D. IF4- The electron geometry of IF4+ will be  octahedral and shape will be square planar.

Central atom Iodine has 7 valence electrons and 1 plus for negative charge making total of 8

there are 4 F so there will be 4 I-F sigma bond leaving 4 electron which exist as 2 lone pair hence the geometry will be (4+2)


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