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Discuss the role of Lewis acids in the p...

Discuss the role of Lewis acids in the preparation of aryl bromides and chlorides in the dark.

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Lewis acids `(FeCl_(3))` or `FeBr_(3)` help in generating the electrophile `(X^(+))` which is involved in the electrophilic attack on the ring.
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DINESH PUBLICATION-HALOALKANES AND HALOARENES-Short Answer Type Questions
  1. Why iodoform has appreciable antiseptic property?

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  2. Haloarenas are less reactive than haloalkanes and haloalkenes. Explain...

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  3. Discuss the role of Lewis acids in the preparation of aryl bromides an...

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  4. Which of the following compounds (i) and (ii) will not react with a mi...

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  5. Which of the products will be major product in the reaction given belo...

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  6. Why is the solubility of haloalkanes in water very low ?

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  7. Draw other resonating structures related to the given structure and fi...

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  8. Classify the following compounds as primary, secondary and tertiary ha...

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  9. Compound 'A' with molecular formula C(4)H(9)Br is treated with aq. KOH...

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  10. Write the structures and names of the compounds formed when compound '...

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  11. Identify the product A and B formed in the following reaction: CH(3)...

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  12. Which of the following compouds will have the highest melting point an...

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  13. Write down the structures and IUPAC name for neo-pentylbromide.

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  14. A hydrocarbon of molecular mass 72 g mol^(-1) gives a single monochlor...

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  15. Name of the alkene which will yield/chloro 1-methylcyclohexane by its ...

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  16. Which of the following haloalkanes reacts with aqueous KOH most easily...

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  17. Why can aryl halides not be prepared by reaction of phenol with HCl in...

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  18. which of the given compounds would undergo S(N^(1)) reaction faster an...

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  19. Allyl chloride is hydrolysed more readily than n-propyl chloride. Why ...

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  20. Why is it necessary to avoid even traces of moisture during the use of...

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