A) \[C{{H}_{4}}+HF\xrightarrow{{}}\]
B) \[C{{H}_{3}}OH+HF\xrightarrow{{}}\]
C) \[C{{H}_{4}}+{{F}_{2}}\xrightarrow{{}}\]
D) \[C{{H}_{3}}Br+AgF\xrightarrow{{}}\]
E) \[C{{H}_{3}}N{{H}_{2}}+HF\xrightarrow{{}}\]
Correct Answer: D
Solution :
Fluorination of hydrocarbons with pure\[{{F}_{2}}\]gas occurs explosively. Thus, alkyl fluorides are more conveniently prepared indirectly by heating suitable chloro or bromoalkanes with inorganic fluorides. \[\underset{bromomethane}{\mathop{C{{H}_{3}}Br}}\,~+AgF\xrightarrow[{}]{{}}~\underset{fluoromethane}{\mathop{C{{H}_{3}}F}}\,~+\text{ }AgBr\] This reaction is called Swarts reaction.
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