Page 7 - Pharm.Org.Chem-I 02-06-05-101

2) s and p overlap H Cl
(form  bond)
..

1H (overlap with

only one lobe)

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3) p and p ..
a) Head on overlap
Cl Cl
.. (form  bond)

(one lobe only enters in overlap)

b) sidewise overlap

(electron cloud)

nodal plane

(electron cloud)

(form  bond)

A  bond is not formed unless a  bond is first formed

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