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(a) Why does p-dichlorobenzene have a hi...

(a) Why does p-dichlorobenzene have a higher m.p than its o-and m-isomers?
(b) Why is (`pm`) - Butan -2 - ol of is optically inactive?

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p-Dichlorobenzene has higher m.p. than those of o- and m-isomers. Discuss

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PRADEEP-HALOALKANES AND HALOARENES-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Explain the mechanism of nitration of benzene.

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  2. Complete the following reaction equations: (i) C(6)H(5)N(2)Cl+KI to ...

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  3. (a) Why does p-dichlorobenzene have a higher m.p than its o-and m-isom...

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  4. Give two reasons for low reactivity of aryl halides towards nucleophil...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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