The pair of species having identical shapes for  molecules of both species is

  • Option 1)

    CF_{4},SF_{4}

  • Option 2)

    XeF_{2},CO_{2}

  • Option 3)

    BF_{3},PCl_{3}

  • Option 4)

    PF_{5},IF_{5}

 

Answers (1)

As we learnt in 

Central atom in each being sp hybridised shows linear shape.

F-Xe-F                

As we discussed in the concept

Shape of molecules -

-

 

Molecule         Shape of molecule 

CF4                     Tetrahedral 

SF4                            See saw shaped 

XeF_{2}                   Linear 

CO2                             Linear 

BF3                                 Triangular planer

PCl_{3}                       Pyramidal 

PF5                                 Triangular bipyramidal

IF_{5}                         Square pyramidal 


Option 1)

CF_{4},SF_{4}

This option is incorrect 

Option 2)

XeF_{2},CO_{2}

This option is correct 

Option 3)

BF_{3},PCl_{3}

This option is incorrect 

Option 4)

PF_{5},IF_{5}

This option is incorrect 

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