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$(IV)$ $CH_3-Z \rightarrow CH_3^- + Z^+$
$(V)$ $CH_3-CH_2-CH_2Cl$

  • A
    $A-III, B-V, C-I, D-II$
  • B
    $A-III, B-V, C-II, D-I$
  • C
    $A-I, B-III, C-II, D-V$
  • D
    $A-III, B-II, C-I, D-IV$

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The electromeric effect in organic compounds is a....

Which of the following $\sigma$-bonds participate in hyperconjugation?

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State True or False for the following statements:
$(i)$ The stability is explained by resonance effect and hyperconjugation.
$(ii)$ The resonance structures are drawn in resonance and hyperconjugation.
$(iii)$ Hyperconjugation is a bondless resonance.
$(iv)$ In resonance structure,there is movement of electron pair of only $\pi$ bond.

Fill in the blanks:
$(1)$ In $+E$ effect,$\pi$ electrons from a multiple bond migrate to the ........... .
$(2)$ In $-E$ effect,$\pi$ electrons from a multiple bond migrate to the ........... .
$(3)$ ........... and ........... increase stability.
$(4)$ ........... inductive effect increases the acidic strength and ........... inductive effect decreases the strength of $-COOH$.

Which of the following statements is $NOT$ correct?

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