explan with suitable exple hypervonjugation
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In organic chemistry, hyperconjugation is the interaction of the electrons in a sigma orbital (e.g. C–H or C–C) with an adjacent empty (or partially filled) non-bonding orbital, antibonding σ or π orbital, to give an extended molecular orbital. Increased electron delocalization associated with hyperconjugation increases the stability of the system.[1][2][3] Only electrons in bonds that are β to the positively charged carbon can stabilize a carbocation by direct hyperconjugation. However, extended versions of hyperconjugation (such as double hyperconjugation[4]) can be important as well. The Baker–Nathan effect, sometimes used synonymously for hyperconjugation,[5] is a specific application of it to certain chemical reactions or types of structures.[6]
Hyperconjugation is a type of resonance which stabilises a carbocation or a free radical.Here adjacent sigma bond electrons i.e electrons in the beta carbon interact with the empty p orbital or partially filled p orbital to give an extended molecular orbital that stabilises the structure.The mechanism is shown in the attached picture.In case of stability the order is resonance play the most important role than comes hyperconjugation and then inductive effects.