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Why are haloarenes more stable than halo...

Why are haloarenes more stable than haloalkanes and undergo electrophilic substitution at ortho- and para-positions?

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Electrophilic substitution reaction in Haloarenes

The ether that undergoes electrophilic substitution reactions is

(a) Explain why haloarenes undergoes electrophilic substitution reactions at ortho and para positions only (b) The p-isomer of dichloro benzene has higher melting point than its ortho and meta-isomers. Explain.

PRADEEP-HALOALKANES AND HALOARENES-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Give two reasons for low reactivity of aryl halides towards nucleophil...

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  2. Chlorobenzene is extremely less reactive towards nucleophilic substitu...

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  3. Account for the fact that halogen in chlorobenzene is less reactive th...

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  4. Give reasons: (i). C-Cl bond length in chlorobenzene is shorter than...

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  5. Account for the fact that C-X bond length in halobenzene is smaller th...

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  6. Why do alkyl halides undergo alkaline hydrolysis more easily than aryl...

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  7. Why are haloarenes more stable than haloalkanes and undergo electrophi...

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  8. Explain as to why haloarenes are much less reactive than halo-alkanes ...

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  9. Arrange the following compounds according to reactivity towards nucleo...

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  10. the presence of electron withdrawing group at ortho and para positions...

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  11. What is a nucleophilic substitution reaction? Write such a reaction, o...

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  12. What do you undersetand by : (i) nucleophilic substitution ad (ii) e...

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  13. How will you convert: (i) n-propyl bromide to iso-propyl bromide (...

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  14. In the reaction : R-Br+Cl^(-) to R -Cl+Br^(-) The rates of react...

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  15. Complete the following reaction equations: (i) CH(3)CH(2)Br+H(2)over...

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  16. What happens when: (i). Methyl chloride is treated with alcoholic KC...

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  17. What happens when: (i) Chlorobenzene is subjected to hydrolysis. (...

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  18. The modified stem in grasses, strawberry Chrysanthemum is concerned wi...

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  19. Identify the compounds X, Y and Z in each of the following sequence of...

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  20. Write one use of each of the following: ((i) Chloroform (ii) Iodof...

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