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7. Alcohol, phenol and ethers — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry7. Alcohol, phenol and ethers1 Mark
MCQ
Given below are two statements.

Statement $I:$ On heating with $KHSO _{4}$, glycerol is dehydrated and acrolein is formed.

Statement $II:$ Acrolein has fruity odour and can be used to test glycerol's presence.Choose the correct option.

  • A
    Both Statement $I$ and Statement $II$ are correct.
  • B
    Both Statement $I$ and Statement $II$ are incorrect
  • ✓
    Statement $I$ is correct but Statement $II$ is incorrect.
  • D
    Statement $I$ is incorrect but Statement $II$ is correct.
✓

Answer

Correct option: C.
Statement $I$ is correct but Statement $II$ is incorrect.
c
Acrolein has a pungent, suffocating odour.Acrolein is used to detect presence of glycerol

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