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Multiple Choice
Determine which aldose reactant should be used to produce the following sugar alcohol.
A
B
C
D
Verified step by step guidance
1
Identify the structure of the sugar alcohol product. The product shown is a sugar alcohol with the formula C6H14O6, which is a reduced form of an aldose sugar.
Recognize the reaction type. The reaction shown is a hydrogenation reaction, where an aldose is reduced to a sugar alcohol using hydrogen (H2) and a palladium (Pd) catalyst.
Determine the structure of the sugar alcohol. The sugar alcohol shown has a linear chain with hydroxyl groups (-OH) on each carbon, indicating it is a fully reduced form of an aldose.
Match the sugar alcohol to its corresponding aldose. The sugar alcohol has the same carbon skeleton as the aldose, but with the carbonyl group (C=O) reduced to an alcohol group (-OH).
Compare the structures of the given aldoses. The aldose that matches the carbon skeleton and stereochemistry of the sugar alcohol is the one that, when reduced, will produce the sugar alcohol shown.