Question

Hyperconjugation is also called no-bond resonance. Explain??

Answer 1

Hyperconjugation-The delocalization of sigma electrons(usually C-H & C-C)into the adjacent pi orbital or empty or partially filled p orbital.Example hyperconjugation in propene.
Since there is no definite bond between carbon atom & one of the hydrogen atoms in the hyperconjugation forms,hyperconjugation is also called no-bond resonance.

Answer 2

Answer:

Because there is no binding between the hydrogen atom and the other atom, hyperconjugation is commonly referred to as no bond resonance.

Explanation:

• Hyperconjugation takes place when electrons in a bond (often C-H or C-C) come into contact with an adjacent vacant or partially full p-orbital or a-orbital. This bigger molecular orbital boosts the steadiness of the system.
• Hyperconjugation is the delocalization of electrons from a single bond connecting a hydrogen atom to another atom in the molecule.
• Hyperconjugation is also referred to as no bond resonance as it is evident from the hyper conjugative structures 1, 2, and 3 that there exists no link among the carbon and hydrogen atoms.
• Hydrogen has no bonds to other atoms, hence breaking the bond makes conjugation possible.
• There is no link where the electrons have been shifted. When there are more terminal hydrogen atoms, there are more hyperconjugation structures.

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