A D-Aldopentose Is Subjected to Kiliani-Fischer Chain Lengthening and the Resulting

question 25

Multiple Choice

A D-aldopentose is subjected to Kiliani-Fischer chain lengthening and the resulting mixture is oxidized using nitric acid. The two distinct products both show optical activity. From this one can conclude that the original D-aldopentose ________.

• A) must be D-ribose
• B) is either D-ribose or D-arabinose
• C) must be D-xylose
• D) is either D-xylose or D-arabinose
• E) must be D-lyxose

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Integrative Negotiation

A negotiation approach in which the parties’ goals are not seen as mutually exclusive, but the focus is on both sides achieving their objectives.

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