Asked by Kalene St. Jean on Sep 27, 2024

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The reagent which converts a carbonyl group of a ketone into a methylene group is ________.

A) Na, NH3, CH3CH2OH
B) LiAlH4
C) NaBH4, CH3CH2OH
D) Zn(Hg) , conc. HCl
E) LiAlH[OC(CH3) 3]3

Carbonyl Group

A functional group found in organic compounds, consisting of a carbon atom double-bonded to an oxygen atom (C=O), characteristic of ketones, aldehydes, carboxylic acids, and esters.

Methylene Group

A bivalent functional group (-CH2-) consisting of a carbon atom bonded to two hydrogen atoms.

LiAlH[OC(CH3)2]3

A chemical compound used as a reducing agent in organic synthesis, often referred to as Lithium Aluminium Hydride.

  • Describe the conversion of carbonyl groups to methylene groups using specific reagents.
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SM
Stephanie Mullinsabout 1 hour ago
Final Answer :
D
Explanation :
Zn(Hg) in the presence of concentrated HCl, known as the Clemmensen reduction, is used to reduce a carbonyl group in a ketone to a methylene group.