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Why Grignard reagent should be prepared ...

Why Grignard reagent should be prepared under anhydrous conditions ?

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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?

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.

Grignard reagent can be prepared by

CBSE COMPLEMENTARY MATERIAL-HALOALKANES AND HALOARENES-VERY SHORT ANSWER TYPE QUESTIONS (1 Mark)
  1. Give IUPAC name of : CH(3) - CH(2) - underset(Br)underset(|)(CH) - -...

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  2. Identify A and B in each of the following processes : CH(3)CH(2)CI o...

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  3. Draw the structure of 4-bromo-3-methylpent-2-ene.

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  4. Why Grignard reagent should be prepared under anhydrous conditions ?

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  5. Chloroform is stored in dark coloured bottles. Explain in not more t...

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  6. An alkyl halide having molecular formula C(4)H(9)Cl is optically activ...

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  7. An organic compound ‘A’ on treatment with KCN gave B which on hydrolys...

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  8. Write IUPAC name of iodoform.

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  9. Which one of the following two substances undergo SN^(1) reaction fast...

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  10. Haloalkanes react with KCN to form alkyl cyanides as main product whil...

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  11. Write the IUPAC name of the following compound :

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  12. Arrange the following in order of their Increasing reactivity in nuc...

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  13. Allyl chloride is more reactive than n-propyl chloride towards nucleop...

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  14. Complete the reaction : Br(2) underset("Uv. Light")overset("heat ...

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  15. How will you convert 2-bromo propane into 1-bromo propane ?

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  16. Give one chemical test to distinguish between chlorobenzene and benzyl...

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  17. Why iodoform show antiseptic properties ?

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  18. The presence of nitro group (− NO(2)) at ortho or para positions incre...

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  19. For the preparation of alkyl chlorides from alcohols, thionyl chloride...

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