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  • Which of the following statements is correct about <img alt="(\mathrm{p} \boldsymbol{\Pi}-\mathrm{p} \boldsymbol{\Pi})" src="https://entrancecorner.oncodecogs.com/gif.latex?%28%5Cmathrm%7Bp%7D%20%5

Which of the following statements is correct about (\mathrm{p} \boldsymbol{\Pi}-\mathrm{p} \boldsymbol{\Pi}) back bonding in the halides of boron and aluminium?

Option: 1

It occurs in the halides of both boron and aluminium.
 


Option: 2

It occurs in the halides of boron but not in those of aluminium.
 


Option: 3

It occurs in the halides of aluminium but not in those of boron.
 


Option: 4

It does not occur in the halides of either boron or aluminium.


Answers (1)

best_answer

\mathrm{ (p \Pi-p \Pi)} back bonding occurs in the halides of boron but not in those of aluminium. This is because boron is smaller than aluminium, so its orbitals are closer together and more likely to overlap.

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Gunjita

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