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

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

Grade:12th pass

2 Answers

Neeti
571 Points
8 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
46 Points
7 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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