In which of the following compounds does the -NO2 group exert the STRONGEST -M effect?
Nitrobenzene
p-nitrotoluene
p-nitrophenol
p-nitrobenzaldehyde
Related Questions
Arrange the following substituents in decreasing order of their effect: , , ,
For all practical purposes, influence of inductive effect is neglected after :
2nd carbon atom
1st carbon atom
3rd carbon atom
None of these
Which of the following statements correctly describes the inductive effect () of substituents?
Electron-withdrawing groups like halogens exhibit a effect.
Alkyl groups () exhibit a effect.
The effect increases with increasing electronegativity of the substituent.
The effect is transmitted through pi bonds.
The effect involving the complete transfer of a shared pair of electrons to one of the atoms joined by a multiple bond at the requirement of attacking reagent is called :
Nucleophilic substitution
Electrophilic addition
Free radical substitution
Nucleophilic addition
The electromeric effect in organic compounds is a :
Temporary effect
Permanent effect
Temporary-permanent effect
None of the above
Which carbocation is least likely to undergo rearrangement?
Which factor DOES NOT contribute to the greater stability of a tertiary butyl carbocation compared to a secondary butyl carbocation?
Steric hindrance
+I effect
Hyperconjugation
+I effect and Hyperconjugation
The reaction of sodium ethoxide with iodoethane to from diethyl is termed as
Electrophilic substitution
Nuclephilic substitution
Electrophilic addition
Radical substitution
The stability of tertiary butyl carbocation is greater than secondary butyl carbocation due to:
-I effect
Steric hindrance
+I effect and hyperconjugation
Resonance
Which of the following effects primarily contributes to the enhanced stability of a t-butyl carbocation compared to an isopropyl carbocation?
Resonance effect
Inductive effect (+I)
Hyperconjugation
Both +I effect and hyperconjugation
