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Applications of hyperconjugation
(A) Carbon-carbon double bond size in alkenes: As we know previously that the more is the number of resonating structures, the very much will be single bond character in carbon-carbon double bond.
(B) Durability of alkyl carbocations : Stability of alkyl carbocations µ number of resonating structures µ number of alpha hydrogens.
(C) Stability of alkyl free radicals : Stability of alkyl free radicals can be described through hyperconjugation. Stability relays upon the some number of resonating structures.
(D) Electron releasing (or donating) power of R in alkyl benzene : CH3- (or alkyl group) is +R group, ortho-para directing set and activating set for electrophilic aromatic substitution reaction due to the hyperconjugation.
The electron donating power of alkyl group will relies on the number of resonating structures, this relays on the number of hydrogens available on a-carbon. The electron releasing power of some groups are like this,
i want all the information of all the periods from 13th to 18th present in p block element
Q. Determine the taste threshold for different sensations? • perceive the individual differences existing for taste stimulation, and • identify your own threshold and iden
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Curve of potential energy versus angle of internal rotation The curve of potential energy versus angle of internal rotation is essentially identical to the curve for ethane, ex
4Be9+2He4-6C12+0n1
Physical properties of Acetophenone - Aldehydes and Ketones a. Acetophenone is a colourless crystalline solid with melting point 20°C and boiling point 202°C. b. Acetophenon
Use the given data to construct a thermodynamical Born-Haber-cycle of the formation of potassium chloride from its elements and calculate the lattice energy of potassium chloride.
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Number of unpaired electrons in the ground state of beryllium atom is: (1) 2 (2) 1 (3) 0 (4) All the above Ans: 0
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