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(a) Explain why thionyl chloride (SOCI(2...

(a) Explain why thionyl chloride (`SOCI_(2)`) method is preferred for preparing alkylchlorides from alcohols.
(b) For isomerichaloalkanes, the boiling point decreases with branching of chain. Why?

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(a) Explain why thionyl chloride ( SOCI_(2) ) method is preferred for preparing alkylchlorides from alcohols. (b) Forisomerichaloalkanes, the boiling point decreases with branching of chain. Why?

Thionyl chloride is preferred in the preparation of chlorine compounds from alcohols because

Assertion ( A) Phosphorus chlorides ( tri and penta) are preferred over thionyl chloride for the preparation of alkyl chlorides from alcohols. Reason (R) Phosphorus chlorides give pure alkyl halides.

MODERN PUBLICATION-HALOALKANES AND HALOARENES-REVISION EXERCISE (Short Answer Questions)
  1. Explain as to why haloarenes are much less reactive than halo-alkanes ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  20. (i) Out of (CH(3))(3), C-Br and (CH(3))(3) C-I, which one is more reac...

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