Question

When each of the aldopentoses are stepped up by one carbon atom by Kiliani reaction followed by oxidation with $ HNO_3 $ , optically active or inactive dicarboxylic acids are produced. Which of the following is true?

• A. $ D $ - ribose produces two optically active dicarboxylic acids
• B. $ D $ - arabinose produces two optically active dicarboxylic acids
• C. $ D $ - xylose produces one optically active and one optically inactive dicarboxylic acid
• D. $ D $ - lyxose produces two optically inactive dicarboxylic acid

Answer 1

Answer: (B)