Orbital interaction between the $\sigma$ bonds of a substituent group and a neighbouring $\pi$ orbital is known as

  • A
    Hyperconjugation
  • B
    Inductive effect
  • C
    Steric effect
  • D
    Dipole-dipole interactions

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Similar Questions

Which of the following statements are correct?
$(i)$ Inductive effect and resonance effect are possible in chlorobenzene.
$(ii)$ Resonance effect dominates over inductive effect in anisole.
$(iii)$ $p-$nitrobenzoic acid is less acidic than $m-$nitrobenzoic acid.
$(iv)$ Diphenylamine is more basic than aniline.

Which of the following can show hyperconjugation?

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Match the following electronic effects in List-$I$ with their corresponding examples or representations in List-$II$.
List-$I$List-$II$
$(A)$ Resonance$(I)$ $C=C + H^+ \rightarrow C^+-C-H$
$(B)$ Inductive effect$(II)$ $H-CH_2-CH_2^+ \leftrightarrow H-CH_2=CH_2^+$
$(C)$ Electromeric effect$(III)$ $C_6H_6$
$(D)$ Hyperconjugation$(IV)$ $CH_3-Z \rightarrow CH_3^- + Z^+$
$(V)$ $CH_3-CH_2-CH_2Cl$

The delocalization of $\sigma$ electrons of $C-H$ bond of an alkyl group with the $\pi$ electrons of benzene is observed in

Among the following,the most acidic compound is

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