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Althrough chlorine is an electron withdr...

Althrough chlorine is an electron withdrawing group, yet it is ortho-para-directing in electrophilic aromatic substitution reactions. Explain why it is so ?

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ICSE-HALOALKANES AND HALOARENES -EXERCISE (PART - II DESCRIPTIVE QUESTIONS) (SHORT ANSWER QUESTIONS)
  1. Write the mechanism of the following reaction: nBuBr + KCN overset(E...

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

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  3. How would you obtain chloroform from ethanol?

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  4. How would you obtain chloroform from propanone ?

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  5. What is carbylamine reaction and what is its significance ?

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  6. What happens when chloroform is treated with zinc and hydrochloric aci...

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  7. What happens when chloroform is treated with boiling aqueous NaOH ?

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  8. What happens when chloroform is treated with conc. HNO3?

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  9. How is iodoform prepared from acetone ?

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  10. What happens when iodoform is heated with silver powder

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  11. What happens when : Iodoform is boiled with alcoholic or conc, aqueo...

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  12. What happens when : Chloroform is condensed with acetone in presence...

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  13. What is freon ? What are its important uses and environmental effects ...

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  14. How is chlorobenzene prepared in the laboratory and on a large scale ?

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  15. Why is chlorobenzene less reactive than alkyl halides?

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

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  17. How will you distinguish between Chlorobenzene and benzyl chloride.

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  18. Write a chemical test to distinguish between : Chloroform and carbon...

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  19. Why is methyl chloride hydrolysed more readily than chlorobenzene?

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  20. What is D.D.T. ? What are its uses and environmental effects ?

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