Quiz  /  Chemistry Gate & PSU MCQ Questions With Answers

  • 1. 
    Which of the following absorption peak or peaks would be most useful for identifying the compound diethylamine?

  • Medium stretch from 3500 to 3300 cm-1
  • Sharp peak at 1750 cm-1
  • Two medium peaks, one at 3300 cm-1 and 3400 cm-1
  • Very broad stretch from 3500 to 2500 cm-1

  • 2. 
    Formaldehyde is

  • CH3CHO
  • HCHO
  • C6H5CHO
  • NONE OF THESE

  • 3. 
    On which factors the vibrational stretching frequency of diatomic molecule depend?

  • Force constant
  • Atomic population
  • Temperature
  • Magnetic field

  • 4. 
    Identify the compound

  • Toluene
  • Benzaldehyde
  • Benzoic Acid
  • None of these

  • 5. 
    Based on the absorption spectrum, what is the likely name of the compound in the image?

  • butanoic acid
  • Pentanol
  • diethylamine
  • aniline
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