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Explain the Hyperconjugation effect i...

Explain the
Hyperconjugation effect is also termed as 'no bond resonance'.

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ICSE-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -SHORT ANSWER TYPE QUESTIONS
  1. Compare inductive effect with mesomeric effect.

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  2. What do you understand by hyperconjugation effect ? Illustrate with an...

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  3. Explain the Hyperconjugation effect is also termed as 'no bond reso...

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  4. Why is the hyperconjugation effect exerted by a methyl group greater t...

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  5. Define heterolytic fission of a covalent bond.

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  6. Why is a 3^@ radical more stable as compared to 1^@ and 2^@ free r...

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  7. What are carbocations ? Give two examples.

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  8. Discuss the orbital structure of a carbocation.

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  9. What is relative order of reactivity of various types of carbocations ...

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  10. Define carbanion and discuss its orbital structure.

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  11. Why is 1^@ carbanion more stable than a 2 carbanion ?

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  12. What are carbenes ?

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  13. What are electrophilic reagents ? Give at least three examples.

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  14. Why do free radicals and carbenes act as electrophiles ?

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  15. What do you understand by nucleophilic reagents and what type of speci...

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  16. Why does ether act as a nucleophile ?

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  17. What are nucleophilic substitution reactions ? Give an example.

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  18. What are the reactive species involved in S(N^1) reactions ?

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  19. Explain why does a S(N^2) reaction involve an inversion in configurati...

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  20. Give three examples of electrophilic substitution reactions.

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