Identify 'B' in the following series of reactions. Ethanol→HX2SOX4,ΔNaBrA→Dry etherMgB - Chemistry

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MCQ

Identify 'B' in the following series of reactions.

\[\ce{Ethanol ->[NaBr][H2SO4, \Delta] A ->[Mg][Dry ether] B}\]

Options

  • Ethyl magnesium bromide

  • Ethene

  • Sodium ethoxide

  • Ethyl bromide

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Solution

Ethyl magnesium bromide

Explanation:

\[\ce{\underset{Ethanol}{CH3 - CH2 - OH} ->[NaBr][H2SO4, \Delta] \underset{\underset{(A)}{Bromoethane}}{CH3 - CH2 - Br} + H2O ->[Mg][Dry ether] \underset{\underset{(B)}{Ethyl magnesium bromide}}{CH3 - CH2 - Mg - Br}}\]

Concept: Classification of Halogen Derivatives
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