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3 marksInfrared Spectroscopy

CAPE Chemistry Unit 2 · 2016 · Paper 2 · Question 2(a)

Infrared (IR) spectroscopy analysis.

Explain the origin of infrared (IR) absorption by compounds.

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Other parts of this question

  1. 2(b)State the properties of compounds which absorb IR radiation.[2 marks]
  2. 2(c)(i)Identify the groups responsible for the above absorptions.[2 marks]
  3. 2(c)(ii)State the name of Compound Y and draw its displayed formula.[3 marks]
  4. 2(d)Describe the steps taken in the preparation of a solid sample for IR analysis.[4 marks]
  5. 2(e)State ONE limitation of IR spectroscopy.[1 mark]

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