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  • Can someone explain Which of the following are Lewis acids ?

Which of the following are Lewis acids ?

  • Option 1)

    BCl3 and AlCl3
     

  • Option 2)

     PH3 and BCl3
     

  • Option 3)

     AlCl3 and SiCl4
     

  • Option 4)

     PH3 and SiCl4

 

Answers (1)

best_answer

As we learned

 

Lewis acids and bases -

Lewis defined an acid as a species which accepts electron pair and base which donate an electron.

- wherein

In lewis acid many acid do not have protons.

e.g.\:BF_{3}

BF_{3}+NH_{3}\rightarrow BF_{3}:NH_{3}

 

 

 

 

(i)  BCl3 and AlCl3 have vacant p-orbitals

(ii)  AlCl3 have vacant p-orbital, while  SiCl4   have vacant d-orbital


Option 1)

BCl3 and AlCl3
 

Option 2)

 PH3 and BCl3
 

Option 3)

 AlCl3 and SiCl4
 

Option 4)

 PH3 and SiCl4

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Plabita

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