CH1012
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MULTIPLE BONDS
Multiple bonds and Hybridisation

multiple bond =   s     + n x p
            (one e- pair)  (one e- pair or more)

Multiple Bonds
- shorter & stronger than single bonds
C-C 1.51Å C=C  1.33Å CºC   1.20Å
           (N.B. = 1Å = 1x10-10 m, 1 nm = 1x10-9 m )
Bond order = the no. of 2-electron covalent bonds between atoms
           1 = single,  2 = double,   3 = triple