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Resonance for the methyl group at room temperature
The resonance for the methyl group at room temperature is a singlet. When the temperature is lowered, the resonance of this methyl group should have of two singlets, one for the conformation of 1-chloro-1-methylcyclo-hexane in which the methyl group is axial, and one for the conformation in which the methyl group is equatorial. The relative integrals of the two singlets will be proportional to the relative amounts of the two conformations. Because chlorine and methyl are about the similar size, there should be about equal amounts of the two conformations.
OXYGEN Oxygen is the second most electronegative substance after fluorine, and forms thermodynamically stable compounds with usually all elements. It rivals fluorine in the abil
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chemical bonding
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SHORTNOTE ON CONDUCTING POLYMERS
If the value of azimuthal quantum number is 3, the possible values of magnetic quantum number would be: (1) 0, 1, 2, 3 (2) 0, - 1, - 2, - 3 (3) 0 ± 1± 2,± 3
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limitation of Chrystal field theory
1. why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character. 2. Why is aqueous solution of Eu2+ thermodynamically less susceptible to oxidation than any
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