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why the second period elements only forming double or multiple bonds unlike the other members of the group.

Amal Vijay , 9 Years ago
Grade 12th pass
anser 2 Answers
Neeti

Last Activity: 9 Years ago

And yes, they can form double or multiple bonds while elements of the lower periods can’t because for double and triple bonding there has to be effective pi bonding which is formed by lateral overlap of orbitals. Since the second period elements are small their orbitals are small so effective overlap takes place while for elements of lower periods the orbitals are so large that effective lateral overlap does’nt take place and they don’t form multiple bonds

KING

Last Activity: 8 Years ago

 
Yes, They can form double or multiple bonds while elements of the lower periods can’t because for double and triple bonding there has to be effective pi bonding which is formed by lateral overlap of orbitals. Since the second period elements are small their orbitals are small so effective overlap takes place while for elements of lower periods the orbitals are so large that effective lateral overlap does’nt take place and they don’t form multiple bonds
 

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