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Unformatted text preview: (1) NH 3 and NH 4 + (2) BH 3 and BH 4 – 4. With the help of suitable examples bring out the relation between bond order, bond energy and bond length. With suitable examples write briefly on molecules with fractional bond orders and resonance. 5. Be atom has no unpaired electron in its ground state. Yet it forms molecules like BeCl 2. Explain giving the details of bonding in this compound. 6. Give the electronic configuration of the tri- positive ions of all the first transition series elements (3 d series)....
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- Spring '09
- Atom, Molecule, Chemical bond