Which from following reagents is used to identify straight chain of glucose?

Which from following reagents is used to identify straight chain of glucose?
  1. HI
  2. Dil. $\mathrm{HNO}_3$
  3. HCN
  4. Acetic anhydride

Solution

This reaction suggests that the six carbon atoms in glucose are linked linearly.

Asked in: MHT CET 2021 (23 Sep Shift 1)

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