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Haloalkanes react with potassium cyanide...

Haloalkanes react with potassium cyanide (KCN) to give alkyl cyanide, but gives alkyl isocyanide with silver cyanide (Ag CN).

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MODERN PUBLICATION-HALOALKANES AND HALOARENES-EXERCISE
  1. What happens when an ethyl bromide reacts with : Ag CN (alc.) ?

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  2. Why does p-dichlorobenzene has a higher m.p. than its o- and p-isomers...

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  3. Haloalkanes react with potassium cyanide (KCN) to give alkyl cyanide, ...

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  4. Why are haloarenes more stable than haloalkanes ?

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  5. Give reasons: n-Butyl bromide has higher boiling point than t-butyl br...

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  6. Define: Racemic Mixture.

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  7. The presence of electron withdrawing group increases the reactivity of...

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  8. In , identify the compound which will undergo SN1 reaction faster and...

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  9. Discuss how coin metal is formed?

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  10. Express 1766 in roman numbers.

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  11. Explain Wurtz reaction with suitable example.

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  12. In the following halogen compounds, which one will readily undergo SN2...

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  13. Complete the following reaction: CH3Br + C2H5ONa rarr

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  14. Aryl halides are less reactive in nucleophilic substitution reactions....

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  15. Aryl halides are less reactive in nucleophilic substitution reactions....

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  16. Write a method for the preparation of alkyl halides.

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  17. Which of the following is not a polyhalogen compound?

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  18. Give two methods of preparation of haloalkanes.

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  19. Give two uses of iodoform.

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  20. Write DDT structure. Give harmful effects of DDT.

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