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41. What happens when a haloalkane reacts with sodium metal in dry ether?

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42.

With the help of a chemical equation show how will you convert 2-propanol to 1-bromo-propane.

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43. Which compound in each of the following pairs will react faster in S_N2 reaction with -OH?
CH₃Br or CH₃I

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44. Which compound in each of the following pairs will react faster in S_N2 reaction with -OH?
(CH₃)₃ CCl or CH₃Cl

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When bromoethane is treated aqueous potassium hydroxide, it form ethanol.

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46.

What are polyhalogen compounds? Give two examples of such compounds.

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47. Why is chloroform kept in dark bottles?

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48.

Name the products formed when acetone is warmed with sodium hypoiodite solution.

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49.

Why are chlorine derivates of organic compounds used as solvents in industry?

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50.

Give one reason why the organic halogen compounds used as solvents in industry are chlorides rather than bromides.

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