Which of the followingstatements is (are) incorrect? I. Thehybridization of boro

Question

Which of the followingstatements is (are) incorrect?

I. Thehybridization of boron in BF3 issp2  
II. The molecule XeF4 is nonpolar
III. The bond order of N2 is three
IV. The molecule HCN has two pi bonds and two sigmabonds.

sp2      

sp3      

dsp3    

d2sp3         

The hybridization ofthe central atom inI3- is  

sp2      

sp3           

dsp3    

d2sp3        

Which of the followingstatements is (are) incorrect?

I. Thehybridization of boron in BF3 issp2  
II. The molecule XeF4 is nonpolar
III. The bond order of N2 is three
IV. The molecule HCN has two pi bonds and two sigmabonds.

All fourstatements are correct. II isincorrect. I and IV areincorrect II and III areincorrect II, III, and IVare incorrect

Explanation / Answer

1) The correct option is : II is incorrect. Reason : I. The hybridization of boron in BF3 issp2 (3 atoms attached) III. The bond order of N2 is three (it has atriple bond) IV. The molecule HCN has two pi bonds and two sigma bonds.(it has structure corresponding to this 2) The hybridization of the central atomin ClF2+ is: III) sp3 (it has 2 bond and 2 lone pairs) 3)The hybridization of the central atom inI3- is : IV) dsp3 ( 3 lone and 2 bond pairs)

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