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What are sigma " and " pi bonds ? Specif...

What are `sigma " and " pi` bonds ? Specify the differences betweeen them.

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Sigma Bond : A covalent bond formed by end-end overlap of orbitals is called sigma covalent bond.
Pi Bond : A covalent bond formed by lateral overlap of orbitals is called pi covalent bond.
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VGS PUBLICATION-BRILLIANT-CHEMICAL BONDING AND MOLECULAR STRUCTURE-SHORT ANSWER QUESTIONS
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