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Delocalisation in hyperconjugation occur...

Delocalisation in hyperconjugation occurs-

A

in case of `sigma` - bond electrons of C - H bond of any alkyl group directly linked to a double bond

B

in case of `sigma` - bond electrons of C - H bond of any alkyl group directly linked to a positive carbon atom

C

in case of `pi` - electrons of C = C

D

in case of lone paira of electrons

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The correct Answer is:
A, B
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CHHAYA PUBLICATION-ORGANIC CHEMISTRY : BASIC PRINCIPLES AND TECHNIQUES -MCQ (SINGLE CORRECT TYPE)
  1. Which process is not represented correctly-

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  2. Which of the following sets represent only elctrophiles-

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  3. Delocalisation in hyperconjugation occurs-

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  4. Which of the following statements are incorrect-

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  5. Which of the following compounds give a red colouration in Lassaigne'...

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  6. Which of the following compounds give a red colouration in Lassigne's...

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  7. Which of the following are optically active compounds -

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  8. In which of the following compounds the number of hyperconjugable hydr...

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  9. For which of the following compounds the number of compounds formed on...

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  10. The carbocations which attain stability by resonance are-

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  11. Mixtures that can be separated by simple distillation are-

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  12. Compound that can be purified by steam distillation are -

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  13. Which of the following statements are incorrect ?

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  14. In which of the following processes, any organic liquid vapourises bel...

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  15. Which exhibit optical and geometrical isomerism-

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  16. Which of the following are correct statements-

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  17. The nucleophilic reagents are-

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  18. The electrophile reagents are-

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  19. Which of the following statements regarding Lassaigne's test are corr...

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  20. Which of the following exhibit keto - enol taulomerism-

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