08:09 LTE chemwithbt.com 4.2. Is the following ketopentose optically active or n

Question

08:09 LTE chemwithbt.com 4.2. Is the following ketopentose optically active or not? ??? CH20H 4.3. Is there a ketohexose which is optically inactive without undergoing any reaction? 4.4. A D-aldaric acid which is optically inactive (true or false?) o is superimposable on its L-form may not have a plane of symmetry (ii) has to have more than one chiral center iicannot have any chiral centers will rotate plane polarized light in the opposite direction of its L-form was optically inactive when it was an aldohexose

Explanation / Answer

4.2) The given ketopentose has symmetry elements mainly axis of symmetry and plane of symmetry due to which the compound is optically inactive.

4.3) No there is no ketohexose which is optically inactive without undergoing any reaction.

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