Carbon NMR

Quiz
•
Science
•
7th Grade
•
Easy
+2
Standards-aligned
Lisa Thompson
Used 1+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary use of Carbon-13 NMR in scientific research?
To determine the molecular weight of a compound
To identify the functional groups in a molecule
To analyze the carbon skeleton of organic compounds
To measure the acidity of a solution
Tags
NGSS.HS-LS1-6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In Carbon-13 NMR, what does the chemical shift indicate?
The number of carbon atoms in a molecule
The environment surrounding a carbon atom
The molecular weight of the compound
The temperature of the sample
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a common solvent used in Carbon-13 NMR spectroscopy?
Water
Chloroform-d
Ethanol
Acetone
Tags
NGSS.HS-PS4-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the typical range of chemical shifts for Carbon-13 NMR?
0-10 ppm
10-100 ppm
0-200 ppm
200-400 ppm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why is Carbon-13 used in NMR instead of Carbon-12?
Carbon-13 is more abundant
Carbon-13 has a nuclear spin
Carbon-12 is radioactive
Carbon-12 is too heavy
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the natural abundance of Carbon-13 isotope?
1.1%
10%
50%
99%
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a Carbon-13 NMR spectrum, what does a peak represent?
A single carbon atom
A group of equivalent carbon atoms
The entire molecule
The solvent used
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