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For the aldotetroses I-IV, the combination of true statements, among P-T, is
Basics of Organic Reaction Mechanism mcq question image
P = I and II are diastereomers and II and III are enantiomers
Q = I and IV are mesomers and are optically inactive
R = I and III can be interconverted by a base catalysed isomerisation
S = only I and IV are HlO4 cleavable
T = I and III are D-sugars and II and IV are L-sugars

A. Q, R, T

B. P, R, T

C. Q, R, S, T

D. P, Q, S

Answer: Option D


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