Portmess Homework Solutions 24

Portmess Homework Solutions 24 - 18 CHEMICAL BONDING (b)...

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( b ) Only three electron pairs are present in C 1 H 3 , and so it is trigonal planar. ( c ) As in part ( b ), there are three electron pairs. When these electron pairs are arranged in a plane, the atoms in CH 2 are not collinear. The atoms of this species are arranged in a bent structure according to VSEPR considerations. 1.43 The structures, written in a form that indicates hydrogens and unshared electrons, are as shown. Re- member: A neutral carbon has four bonds, a neutral nitrogen has three bonds plus one unshared elec- tron pair, and a neutral oxygen has two bonds plus two unshared electron pairs. Halogen substituents
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