Question

among the following the molecule with s-s orbital is

Answer 1

Answer:

For p-p overlap both atoms must have unpaired electrons in p-orbitals.

H- 1s  

1

 

Be- 1s  

2

2s  

2

 

Cl- 1s  

2

2s  

2

2p  

6

3s  

2

3p  

5

 

F- 1s  

2

2s  

2

2p  

5

 

Here, only 'F' and 'Cl' have unpaired electron in vacant shell. But Cl is forming bond with Be which has s-orbital. while 'F' has 'p' orbital and it is shairing electron with other p-orbital of 'F'.

Explanation: