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Define electromeric effect....

Define electromeric effect.

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Electromeric effect is

What are the main points of difference between inductive and electromeric effects ?

(a) Explain what do you understand by inductive effect. (b) effect is of permanent nature while electromeric effect is only temporary. Explain.

Assertion: When inductive and electromeric effects operate in oppsite directions, the inductive effect predominates. Reason: Inductive effect is the complete transfer of shared pair of pi electrons to one of the atoms.

Explain the terms Inductive and Electromeric effects. Which electron displacement effect explains the following correct orders of acidity of the carboxylic acids? (a) Cl_(3)"CC"OOH gt Cl_(2)CHCOOH gt ClCH_(2)COOH (b) CH_(3)CH_(2)COOHgt(CH_(3))_(2)CHCOOHgt(CH_(3))_(3)C.COOH

Differentiate between inductive and electromeric effect

Assertion : Electromeric effect is brought into play only at the requirement of the reagent. Reason : It is a temporary effect in which bond pair is shifted to one of the constituent atoms.

Define mesomeric effect and differentiate + M-effect from - M-effect.

What type of electrons get displaced in (i) inductive effect (ii) electromeric effect?

ICSE-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -SHORT ANSWER TYPE QUESTIONS
  1. Why is +l-effect of t-butyl group greater than that of isopropyl group...

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  2. Why is dichloroacetic acid stronger than monochloroacetic acid ?

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  3. Define electromeric effect.

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  4. What type of effects are involved in the following reactions ?

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  5. What are the main points of difference between inductive and electrome...

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  6. When does mesomeric effect come into existence ? Illustrate with examp...

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  7. Define mesomeric effect and differentiate + M-effect from - M-effect.

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  8. Compare inductive effect with mesomeric effect.

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

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

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

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  12. Define heterolytic fission of a covalent bond.

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

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  14. What are carbocations ? Give two examples.

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  15. Discuss the orbital structure of a carbocation.

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

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  17. Define carbanion and discuss its orbital structure.

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

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  19. What are carbenes ?

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

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