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Answered

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How do I distinguish between Heptanol and heptanal using a chemical reagent. Give the respective observation as well.​

Sagot :

  • Use Brady's reagent or sodium nitrate.
  • Heptanol will remain unchanged in color
  • But Heotanal will be turned to slightly orange color

  • Heptanol means it's a alcohol.(C_7H_15OH)
  • Heotanal means it's a aldehyde
brainsoft

Answer:

Use 2,4-dinitrophenylhydrazine ( Brady's reagent )

Observations;

• Heptanol → No observable change

• Heptanal → Orange solution is formed.

Use Sodium Hydrogen nitrite solution

Observation;

• Heptanol → No observable change

• Heptanal → A white precipitate is formed

Explanation:

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