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Spectroscopic Methods of Analysis · CAPE Chemistry Unit 2

30 past-paper questions on Spectroscopic Methods of Analysis, part of Analytical Methods and Separation Techniques, from every CAPE Chemistry Unit 2 paper on Quelpr.

Practise Spectroscopic Methods of Analysis
  1. 2(a)(i)1 mark· CAPE Chemistry Unit 2 · 2010 · Paper 2Define the term electromagnetic radiation.
  2. 2(a)(ii)1 mark· CAPE Chemistry Unit 2 · 2010 · Paper 2Define the term wavelength.
  3. 2(a)(iii)1 mark· CAPE Chemistry Unit 2 · 2010 · Paper 2Define the term frequency.
  4. 2(b)4 marks· CAPE Chemistry Unit 2 · 2010 · Paper 2Using the formula ν = c / λ, calculate the missing values (i) wavelength for frequency 3 x 10^13 Hz and (ii) frequency for wavelength 3.16 m, and identify the corresponding types of electromagnetic radiation (iii) and…
  5. 2(d)(i)1 mark· CAPE Chemistry Unit 2 · 2010 · Paper 2Calculate the energy absorbed by one molecule of a compound where ν = 1.5 x 10^15 s^-1 (using E = hν, where h = 6.63 x 10^-34 J s).
  6. 2(d)(ii)2 marks· CAPE Chemistry Unit 2 · 2010 · Paper 2Calculate the energy absorbed by one mole of the compound.
  7. Q221 mark · multiple choice· CAPE Chemistry Unit 2 · 2012 · Paper 1Which two features BEST describe ultraviolet radiation?
  8. Q221 mark · multiple choice· CAPE Chemistry Unit 2 · 2013 · Paper 1Which of the following regions of the electromagnetic spectrum BEST matches the wavelength ranges of P, Q and R?
  9. Q201 mark · multiple choice· CAPE Chemistry Unit 2 · 2014 · Paper 1In an electronic transition in the UV/visible region of the spectrum, a wavelength of 450\text{ nm} is absorbed. Planck constant (h) = 6.63 \times 10^{-34}\text{ J s} Velocity of light (c) =…
  10. 2(a)(i)1 mark· CAPE Chemistry Unit 2 · 2014 · Paper 2Use an arrow to indicate, below the sketch, the direction of increasing frequency.
  11. 2(a)(ii)2 marks· CAPE Chemistry Unit 2 · 2014 · Paper 2Identify the region (A, B or C) where EACH of Infrared and X-rays may be found.
  12. 2(b)2 marks· CAPE Chemistry Unit 2 · 2014 · Paper 2Calculate the wavelength of electromagnetic radiation with frequency of 4.5 x 10^15 Hz. (Velocity of light = 3.0 x 10^8 m s^-1)
  13. Q221 mark · multiple choice· CAPE Chemistry Unit 2 · 2015 · Paper 1A compound absorbs light of frequency 940\text{ MHz}. The wavelength, in \text{cm}, of the light absorbed is (c = 3.0 \times 10^8\text{ m s}^{-1})
  14. Q241 mark · multiple choice· CAPE Chemistry Unit 2 · 2015 · Paper 1Which of the following regions of the electromagnetic spectrum BEST matches the wavelength ranges of P, Q and R?
  15. Q201 mark · multiple choice· CAPE Chemistry Unit 2 · 2016 · Paper 1In an electronic transition in the UV/visible region of the spectrum, a wavelength of 450 nm is absorbed. Planck constant (h) = 6.63 \times 10^{-34}\text{ J s} Velocity of light $(c) = 3.00 \times 10^8\text{ m…
  16. Q211 mark · multiple choice· CAPE Chemistry Unit 2 · 2016 · Paper 1Which of the following sets of regions in the electromagnetic spectrum is in the correct order of INCREASING wavelength?
  17. Q201 mark · multiple choice· CAPE Chemistry Unit 2 · 2017 · Paper 1Different regions of the electromagnetic spectrum have different energies. Which of the following equations justifies the criteria for dividing the electromagnetic spectrum into regions according to wavelength? [f –…
  18. Q241 mark · multiple choice· CAPE Chemistry Unit 2 · 2017 · Paper 1Which of the following regions of the electromagnetic spectrum BEST matches the wavelength ranges of P, Q and R?
  19. 2(a)3 marks· Chemistry · Unit 2 Q2 2(a)State the meaning of EACH of the following terms: Electromagnetic radiation, Wavelength, Frequency.
  20. 2(a)3 marks· Chemistry · Unit 2 Q2 2(a)Draw a diagram to show the approximate wavelength ranges of any THREE types of radiation which are found in the electromagnetic spectrum.
  21. 2(a)(i)1 mark· Chemistry · Unit 2 Q2 2(a)(i)Give the name of EACH radiation type: A
  22. 2(a)(ii)1 mark· Chemistry · Unit 2 Q2 2(a)(ii)Give the name of EACH radiation type: B
  23. 2(a)(iii)1 mark· Chemistry · Unit 2 Q2 2(a)(iii)Give the name of EACH radiation type: C
  24. 2(a)(iv)1 mark· Chemistry · Unit 2 Q2 2(a)(iv)Give the name of EACH radiation type: D
  25. 2(b)2 marks· Chemistry · Unit 2 Q2 2(b)The energy of an electronic transition has a frequency of 1.01 × 10^16 Hz. Calculate the energy of the radiation emitted.
  26. 2(b)(i)1 mark· Chemistry · Unit 2 Q2 2(b)(i)Write the formula which relates the speed of light (c), the wavelength of light (λ) and its frequency (v).
  27. 2(b)(i)3 marks· Chemistry · Unit 2 Q2 2(b)(i)Calculate the wavelength, λ, in metres (m), for this radiation.
  28. 2(b)(ii)4 marks· Chemistry · Unit 2 Q2 2(b)(ii)Using the formula from (b) (i), calculate the missing frequencies and wavelengths in Table 2 AND identify the corresponding type of electromagnetic radiation. (c = 3.0 × 10^8 ms⁻¹)
  29. 2(b)(ii)1 mark· Chemistry · Unit 2 Q2 2(b)(ii)With reference to Figure 2, in what radiation band does the calculated wavelength in (b) (i) belong?
  30. 2(b)(iii)3 marks· Chemistry · Unit 2 Q2 2(b)(iii)A lamp with filament made from the sample emits light of the same wavelength, λ, obtained in (b) (i). Calculate the energy of a single emitted photon.

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