62. Which of the following will give elimination re
Answers
Explanation:
The reactions of the options (B) and (C) will occur to give but-1-ene as the major product.
The reaction (B) is an example of Hoffmann elimination in which quaternary ammonium salt is heated with sodium ethoxide/ ethanol, less substituted alkene is the major product.
The reaction (C) is an example of dehydrochlorination. An alkyl halide is heated with bulky base such as potassium tert butoxide Me
3
COK, less substituted alkene is the major product.
The options (A) and (D) will give more substituted alkene (2-butene) as the major product.
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Answer:
The reactions of the options (B) and (C) will occur to give but-1-ene as the major product.
The reaction (B) is an example of Hoffmann elimination in which quaternary ammonium salt is heated with sodium ethoxide/ ethanol, less substituted alkene is the major product.
The reaction (C) is an example of dehydrochlorination. An alkyl halide is heated with bulky base such as potassium tert butoxide Me
3 COK, less substituted alkene is the major product.
The options (A) and (D) will give more substituted alkene (2-butene) as the major product.
Explanation:
This is the correct answer
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