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  • Can someone help me with this, In which of the following species the central atom has the type of hybridization which is not the same as that present in the other three?

In which of the following species the central atom has the type of hybridization which is not the same as that present in the other three?

  • Option 1)

    SF_{4}

  • Option 2)

    I^{-}_{3}

  • Option 3)

    SbCl^{2-}_{5}

  • Option 4)

    PCl_{5}

 

Answers (1)

best_answer

As we learnt in 

Dettermination of shape of molecules using VSEPR Theory -

calculate \:X

X=(No.\;of\:valence\:electrons\:of\:central\:atom\:)+(No.\:of\:other\:atom\:)+(Negative\:charge\:on\:the\:molecule)-(Positive\:charge\:on\:the\:molecule)

-

 

 H=\frac{1}{2}\left [ V+M-C+A \right ]

for all SF_{4},I_{3}^{-},PCl_{5}

H = 5 or sp3d hyberdization 

but for SbCl_{5}^{2-},H=\frac{1}{2}\left [ 5+5+2-0 \right ]=6\:or\:sp^{3}d^{2}\:hybridisation


Option 1)

SF_{4}

This solution is incorrect 

Option 2)

I^{-}_{3}

This solution is incorrect 

Option 3)

SbCl^{2-}_{5}

This solution is correct 

Option 4)

PCl_{5}

This solution is incorrect 

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