Easy
The $-NO_2$ group in the following conjugated system shows:
- A$-R$ effect
- B$-I$ effect
- C$+R$ effect
- D$+I$ effect
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Similar Questions
Given below are two statements:
Statement $I$: On the basis of inductive effect,the order of stability of alkyl carbanions is $CH_3^- > CH_3CH_2^- > (CH_3)_2CH^- > (CH_3)_3C^-$.
Statement $II$: Allyl and benzyl carbanions are more stabilised by inductive effect and not by resonance effect.
Statement $I$: On the basis of inductive effect,the order of stability of alkyl carbanions is $CH_3^- > CH_3CH_2^- > (CH_3)_2CH^- > (CH_3)_3C^-$.
Statement $II$: Allyl and benzyl carbanions are more stabilised by inductive effect and not by resonance effect.
Which of the following groups does not show $(+R)$ effect?
Draw the hyperconjugation resonance structures of:
$(a) \ CH_3-CH=CH_2$
$(b) \ CH_3-CH_2^+$
$(c) \ CH_3-CH_2-CH_2^+$
$(a) \ CH_3-CH=CH_2$
$(b) \ CH_3-CH_2^+$
$(c) \ CH_3-CH_2-CH_2^+$
Medium
View SolutionWhich among the following pairs of electronic effect and its example is $NOT$ correct?
Explain the electron displacement effects in covalent bonds.
Medium
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