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  4. Among the following, the conformation that corresponds to the most stable conformation of meso-butane-2,3-diol is

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Q. Among the following, the conformation that corresponds to the most stable conformation of meso-butane-2,3-diol is

JEE AdvancedJEE Advanced 2021

Solution:

In option (B), given configuration represents meso - butane -2,3-diol and due to intramolecular hydrogen
bonding, the gauche form is more stable.
Option (C) and (D) does not represent meso - isomer.

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