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Why preparation of aryl halide is not po...

Why preparation of aryl halide is not possible by reaction of phenol with `PCl_3`?

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R G PUBLICATION-HALOALKANES AND HELOARENES -EXERCISE
  1. Why C-X bond of alkyl halide is polarized? (Where X is halogen)

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  2. How pure alkyl halide is prepared from alcohol?

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  3. Why preparation of aryl halide is not possible by reaction of phenol w...

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  4. Iodine can not be used for electrophilic subsituation of arene. Why?

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  5. Give one chemcial test to distinguish alkane & alkene.

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  6. What is Swarts reaction?

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  7. Why sulphuric acid is not used during the reaction of alchohols with K...

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  8. Among the isomeric alkanes of moleular for-mula C5H(12) which give a s...

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  9. Why the boiling point of alkylhalide in more that that of correspondin...

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  10. Arrange each set of compounds in order of increasing boiling points: B...

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  11. Which one of the following has the highest dipole moment and why: CH2C...

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  12. What do mean by SN2 reaction?

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  13. Among the following alkyl halide which will following SN2 reaction and...

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  14. What do you mean by chiral molecule?

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  15. Why racimic mixture is optically inactive?

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  16. Why beta-elimination is also called anti elimination?

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  17. Write the formula of Freon 12. What is its effect on the atmosphere?

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  18. Explain the following terms: Plane polarized light.

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  19. Explain the following terms: asymmetric molecule

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  20. Explain the following terms: optical activity

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