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MHT CET 202622 AprilMorning Shift
Exam
MHT CET
Year
2026
Date
22 April
Shift
Morning Shift
Subject
Chemistry
Chapter
Biomolecules

MHT CET 2026 · 22 April · Morning Shift · Chemistry · Biomolecules

Which of the following compounds is obtained when glucose is heated...

Which of the following compounds is obtained when glucose is heated with HI for a prolonged ?

Options

  1. A6-iodohexanal
  2. Bn-Hexane
  3. C1-Hexene
  4. DHexanoic acid

Correct answer

B. n-Hexane

Step-by-step solution

Glucose on prolonged heating with concentrated HI undergoes complete reduction to form n-hexane.

This reaction indicates that all the six carbon atoms in glucose are linked in a straight unbranched chain.

The reaction is given by:

CHO−(CHOH)4−CH2OH→HI,ΔCH3−CH2−CH2−CH2−CH2−CH3CHO-(CHOH)_4-CH_2OH \xrightarrow{HI, \Delta} CH_3-CH_2-CH_2-CH_2-CH_2-CH_3 (n-hexane)

Answer: n-Hexane
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