Exam (elaborations)
A level Edexcel Chemistry Topic 7 - Modern Analytical Techniques I Exam Questions and Answers
- Course
- Institution
A level Edexcel Chemistry Topic 7 - Modern Analytical Techniques I Exam Questions and Answers
[Show more]
Seller
Follow
RevisionKing
Reviews received
Content preview
A level Edexcel Chemistry Topic 7 -Modern Analytical Techniques I Exam
Questions and Answers
What does the number of peaks on a mass spectrum tell us? -
Answer>>How many different isotopes are present
What does the peaks at each m/z value indicate to us on a mass
spectrum? - Answer>>Indicates the relative isotopic mass of an
isotope
What does the height of each peak on a mass spectrum tell us? -
Answer>>Relative abundance of each isotope
What is the peak with the highest height called? -
Answer>>Base Peak
What is the peak which corresponds to the Mr of a compound
called? - Answer>>Molecular Ion Peak
What is the name given to the splitting of organic molecules in
mass spectrometry? - Answer>>Fragmentation
Which HC ions could give rise to peaks at: 15m/z, 29m/z, 43 m/z
and 58m/z? - Answer>>CH₃⁺, C₂H₅⁺, C₃H₇⁺, C₄H₉⁺
Which ions containing an O atom would give rise to peaks at:
17m/z, 28m/z, 31m/z, 43m/z and 45 m/z - Answer>>OH⁺, CO⁺,
CH₂OH⁺, CH₃CO⁺ and COOH⁺/CH₃CHOH⁺
Two compounds, A and B, have the molecular formula C₃H₆O. A's
mass spectrum has a base peak at 29m/z, B at 43m/z. Identify
the names of each compound - Answer>>A = Propanal and B =
Propanone
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller RevisionKing. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79316 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now