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141. Haloalkanes are insoluble in water. Give reason.

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142. How do the boiling points of R—Cl, R—Br and R—I show variations? Justify your answer.

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143. Haloalkanes react with KCN to form alkyl cyanides as main product while AgCN form isocyanides as the chief product. Give reason.

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144.

What are nucleophiles? Give some examples of nucleophiles.

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145.

Write the cause of chemical reactivity of haloalkanes.

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146. What do you understand by nucleophilic substitution reaction? Why do haloalkanes undergo nucleophilic substitution reaction?

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147. Write the nucleophilic reaction for the conversion of haloalkanes to alcohol.

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148. Write the nucleophilic reaction for the conversion of haloalkanes to ether.

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149. Write the nucleophilic reaction for the conversion of haloalkanes to alkyl iodide.

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