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Pyranose ring form of a given sugar

This type of question, asked 2 times: 28 Jul 2022, 1 Feb 2023. All 2 questions below, oldest first.

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  1. Question 1

    28 Jul 2022

    48
    For the below given cyclic hemiacetal (X), the correct pyranose structure is :

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  2. Question 2

    1 Feb 2023

    40
    The correct representation in six membered pyranose form for the following sugar [X]\lbrack X\rbrack is

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