HalloweenQuiz

HalloweenQuiz - Name: Halloween Quiz, Trick or Treat! TA:...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Name: TA: Halloween Quiz, Trick or Treat! 1. In the mass spectrum above, the [ M + 1] + peak is a result of: a. an extra hydrogen b. an extra deuterium c. the 13 C isotope d. the 2 H isotope 2. Of the choices given, which of the following is the mildest method to ionize a sample for mass spectrometry? a. Electron Impact b. Fast Ion Bombardment c. Electrospray d. MALDI 3. In mass spectrometry, m/z is proportional to the mass of the compound? a. True b. False 4. Simple alkanes tend to undergo fragmentation by initial loss of a methyl group (CH 3 )? a. True b. False
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
5. Which of the following compounds can undergo a McLafferty rearrangement? a. OH b. O c. O d. OH 6. Which of the following fragments is responsible for a peak at m/z = 31 for primary alcohols? a. O H H H b. H 3 C OH c. O 2 d. H 3 C CH 3 7. Which of the following functional groups displays a [ M -1] + peak? a. Aldehyde b. Ketone c. Carboxylic Acid d. Ester 8. In general, a mass spectrum records only neutral fragments and not charged fragments. a. True b. False
Background image of page 2
9. The mass spectrum above represents O , what is responsible for the peak observed at m/z = 43? a. O CH 3 b. CO 2 c. H 2 C C O d. 10. When the electron beam in a mass spectrometer hits a molecule and ejects an electron, the result is a(n): a. anion radical b. cation radical c. bi-radical d. neutral compound 11. The base peak in a mass spectrum is: a. A visible peak furthest to the left in the spectrum b. A visible peak furthest to the right in the spectrum c. The peak that is most abundant (tallest) in the spectrum d. The peak that is least abundant (shortest) in the spectrum
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
12. Which of the following compounds displays the above mass spectrum? a.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/21/2010 for the course CHEM Chem 6BL taught by Professor Pettus during the Fall '05 term at UCSB.

Page1 / 14

HalloweenQuiz - Name: Halloween Quiz, Trick or Treat! TA:...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online