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Explain as to why haloarenes are much le...

Explain as to why haloarenes are much less reactive than halo-alkanes towards nucleophilic substitution reactions.

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Aryl halide is less reactive than halide towards nucleophilic substitution because

Haloarenes are less reactive than haloalkanes and haloalkenes. Explain.

(A) Greater the stability of carbanion, greater is its ease of formation and hence , more reactive is aryl halide. (R) Chlorobenzene is less reactive than p-chloroanisole towards nucleophilic substitution reactions.

Why a benzaldehyde less reactive than acetaldehyde towards nucleophilic addition reactions?

MODERN PUBLICATION-HALOALKANES AND HALOARENES-REVISION EXERCISE (Short Answer Questions)
  1. Write the following reactions: (i) Swarts reaction (ii) Sandmeyer ...

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

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  3. Which compound in each of the following pairs will react faster in S(N...

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  4. Write the equations for the steps in S(N)1 mechanism of the conversion...

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  5. (i)State one use each of DDT and iodoform. (ii) Which compound in t...

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  6. Answer the following: (i) Haloalkanes easily dissolve in organic so...

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  7. Although chlorine is an electron withdrawing group, yet it is ortho-, ...

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  8. (a) Explain why thionyl chloride (SOCI(2)) method is preferred for pre...

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  9. How will you convert the following (any two)? Give chemical equations ...

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  10. Explain S(N)2 reaction mechanism of haloalkane. Arrange the reactivity...

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  11. (a) Explain why haloarenes undergoes electrophilic substitution reacti...

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  12. (a). Complete the reaction: CH(3)CH(2)Br+KOH(alc.) (b). Explain wh...

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  13. Explain why : (i) Sulphuric acid is not used during the reaction of ...

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  14. Following compounds are given to you : 2-Bromopentane, 2-Bromo-2-met...

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  15. (a) Alkyl halides react with AgNO(2) and KNO(2) to give R-NO(2) and R-...

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  16. (a) Haloalkanes react with potassium cyanide (KCN) to give alkyl cyani...

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  17. Give reasons: (a) n-Butyl bromide has higher boiling point than t-bu...

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  18. Explain S(N)2 reaction mechanism of haloalkanes.

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

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  20. (a) Complete the reaction: (i) CH(3)CH(2)Br overset(AgCN)to (ii) C...

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