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Explain why (i) the dipole moment of c...

Explain why
(i) the dipole moment of chlorobenzene is lower than that of cyclohexyl chloride?
(ii) alkyl halides, though polar, are immiscible with water?
(iii) Grignard reagents should be prepared under anhydrous conditions?

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Why Grignard reagent should be prepared under anhydrous conditions ?

Grignard reagent should be prepared under anhydrous conditions because

Explain the following : (a) The dipole moment of chlorobenzone is lower than that of cyclohexyl chloride. (b) Alkyl halides, though polar, are immiscible with water. (c) Grignard reagents should be prepared under anhydrous condition.

What is Grignard reagent? How is it prepared? Why are they prepared under anhydrous condition?

MODERN PUBLICATION-HALOALKANES AND HALOARENES-REVISION EXERCISE (Short Answer Questions)
  1. Write the equations for the steps in S(N)1 mechanism of the conversion...

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

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  3. Explain why (i) the dipole moment of chlorobenzene is lower than tha...

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

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  5. Althrough chlorine is an electron withdrawing group, yet it is ortho-p...

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

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

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

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

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

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

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

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

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  14. (a) Write the following reaction: (i) Wurtz Fittig reaction (ii) B...

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  15. (a) Why are haloarenes less reactive than haloalkanes? (explain with 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. (a) Aryl halides are less reactive in nucleophilic substitution reacti...

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

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