Hyperconjugation effect

Which of the following is known as Baker-Nathan effect?

• Mesomeric effect

• Inductive effect

• Hyperconjugation

• Electromeric effect

Hyperconjugation involves the delocalisation of __________ bond orbital

• s

• σ

• π

• p

Number of hyperconjugation structures in isopropyl radical is __________

• 3

• 6

• 9

• 12

Larger the number of hyperconjugation structures, the stability of free radicals will __________

• Increase

• Decrease

• No relation

• It involves Baker-Nathan constant

On increasing what hyperconjugation structures increase?

• Stability

• Temperature

• α carbon

• hydrogen attached to α carbon

Ethene is devoid of any alpha hydrogen so hyperconjugation is not possible.

• True

• False

Find the product of this reaction?

• o-isobutyl p-nitro toluene

• p-isobutyl o-nitro toluene

• p-isobutyl o-nitro phenol

• p-isobutyl m-nitro benzene

Which of the following carbocation is most stable

• 
• 
• 
• 

Answer explanation

Find out the order of reactivity of the following compound towards electrophilic substitution reaction

• methyl benzene

• ethyl benzene

• iso propyl benzene

• tert butyl benzene

No bond resonance is known as

• inductive effect

• mesomeric effect

• hyperconjugation

• electromeric effect