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Question
An alkyl halide by the formation of its Grignard reagent and heating with water yields propane. What is the original alkyl halide?
An alkyl halide by the formation of its Grignard reagent and heating with water yields propane. What is the original alkyl halide?
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Solution
The correct option is A Propyl bromide
Magnesium can be reacted with alkyl halides or aryl halides to form Grignard reagents. The organic halide is added to a magnesium suspension in an dry ether solvent. It is important to note that the reagent can be made with alkyl chlorides, bromides, and iodides but not with fluorides.
Grignard reagent is highly unstable in water and form an alkane compound after hydrolysis. This is the reason why grignard reagent should be prepared in a dry medium
Hence, the correct answer is option (a).
Magnesium can be reacted with alkyl halides or aryl halides to form Grignard reagents. The organic halide is added to a magnesium suspension in an dry ether solvent. It is important to note that the reagent can be made with alkyl chlorides, bromides, and iodides but not with fluorides.
Grignard reagent is highly unstable in water and form an alkane compound after hydrolysis. This is the reason why grignard reagent should be prepared in a dry medium
Hence, the correct answer is option (a).
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