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Sometimes more than one valence structure is possible and there shows to be no unique assignment. A familiar organic example is in the disposition of single and double C-C bonds in benzene. In the carbonate ion 11) the three structures shown are equivalent by symmetry, and experimentally all three C-O bonds have same length. We describe this situation as resonance between the different structures, and represent it by the double headed arrows shown in 11. The term is misleading as it suggests a fast oscillation between different structures, which certainly does not happen. It is better to think of a wavefunction that is contracted by combining the structures, none of which on their own describe the bonding correctly.
11
Resonance may also be appropriate with different valence structures that are not equivalent but look equally plausible, as in nitrous oxide (N2O 12).
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When an egg is boiled, the proteins present inside the egg get denatured and coagulate. After boiling the egg, the water present in it is absorbed by the coagulated protein through
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Q. Show the Basic Definitions of coordination compounds? Some of the terms which we use in connection with coordination compounds carry specific meaning and thus form a kind of
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The number of species participating in the slowest step of the reaction is known as molecularity of the reaction.
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2 thermometers, A and B, are wrapped in pieces of gauze. The gauze around thermometer A is moistened with water and the gauze around thermometer B is moistened with Ether(a volatil
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