Carbon NMR

Carbon NMR

7th Grade

25 Qs

quiz-placeholder

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Carbon NMR

Carbon NMR

Assessment

Quiz

Science

7th Grade

Easy

NGSS
HS-PS2-5, HS-PS3-5, HS-LS1-6

+2

Standards-aligned

Created by

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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