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What is iodoform test ?...

What is iodoform test ?

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All compounds containing the group `CH_3 CHOH`- (ie, methyl carbinols, such as ethyl alcohol, propan-2-ol, butanone acetophenone) wlien treated with halogen and aqueous solution of sodium hydroxide haloform (such as chloroform iodoform) is formed and the reaction is known as haloform reaction. If the halogen used is iodine, a yellow precipitates of iodoform are formed and the reaction is called iodoform reaction. For exmple,
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BETTER CHOICE PUBLICATION-HALOALKANES AND HALOARENES-QUESTIONS
  1. Give one use of freon.

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  2. Iodoform gives a precipitate with AgNO3. Why ?

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  3. What is iodoform test ?

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  4. Write short note on lodoform reaction.

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  5. Why a small amount of ethyl alcohol is usually added to chloroform bot...

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  6. What happens when chloroform is exposed to air and sun light?

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  7. Why is chloroform stored in dark coloured bottles ?

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  8. What happens when chloroform is heated with silver powder ?

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  9. Chloroform contains chlorine but does not give reaction with AgNO3 why...

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  10. Give IUPAC name of D.D.T.

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  11. How will you prepare chloroform from ethanol ? Give reactions of chlor...

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  12. Write short note on Haloform reaction.

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  13. How is DDT prepared from chlorobenzene ? Give the chemical equation on...

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  14. Give the reaction chloroform with alcoholic KOH.

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  15. Explain with example S(N^1) mechanism.

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  16. How tert-butyl bromide reacts with aqueous KOH ? Give the mechanism an...

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  17. Explain SN^2 reactions. What is the preference order of different alky...

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  18. How tert-butyl bromide reacts with aqueous KOH ? Give the mechanism an...

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  19. Give the mechanism of substitution nucleophilic bimolecular, SN^2 reac...

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  20. How tert-butyl bromide reacts with aqueous KOH ? Give the mechanism an...

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