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Haloalkanes and Haloarenes
Question
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When a iodoform is heated with silver nitrate solution, a precipitate is formed. No precipitate is formed if chloroform is used in place of iodoform. Why?

Answer

Iodoform gives a precipitate with silver nitrate on heating while chloroform does not.Carbon –iodide bond is quite weak as compared to carbon – chlorine bond .Therefore, when Iodoform is heated with AgNO3 solution, C-I bond gets cleaved easily and iodide ions react with AgNO3 to give precipitate of AgI. On the other hand, C-Cl bond does not get cleaved.

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Some More Questions From Haloalkanes and Haloarenes Chapter

Write structures of the following compounds:
2-chloro-3-methylpentane

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1-chloro-4-ethylcyclohexane

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4-tert-Butyl-3-iodohaptane

Write structures of the following compounds:
1, 4-Dibromo but-2-ene

Write structures of the following compounds:
1-Bromo-4-sec butyl-2-methyl benzene.

Why is sulphuric acid not used during the reaction of alcohols with KI?

Write structures of different dihalogen derivatives of propane.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:

i) A single monochloride.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:

i)Three isomeric monochlorides.

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields:
Four isomeric monochlorides.