Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Food Analysis Techniques: NMR Spectroscopy

8 Questions

1 Views

Food Analysis Techniques: NMR Spectroscopy

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What type of information does NMR spectroscopy provide about a molecule?

Number of electrons in the molecule

Number of protons in the molecule

Types of bonds in the molecule

Types of atoms in the molecule (correct)

Which type of NMR spectroscopy is used to determine the types and number of H atoms in a molecule?

13C NMR

19F NMR

31P NMR

1H NMR (correct)

What is the source of energy in NMR spectroscopy?

Visible light

Radio waves (correct)

Gamma rays

Ultraviolet light

Why is it important for the sample to be dissolved in Deuterated solvent for NMR spectroscopy?

Avoids interference from solvent signals Signup and view all the answers

What is one advantage of using NMR in food analysis?

Low amount of analytes required Signup and view all the answers

What physical properties can NMR be used to examine in food analysis?

Melting, crystallization, polymorphism, and oil content Signup and view all the answers

What is a disadvantage of using NMR compared to other techniques?

Low selectivity Signup and view all the answers

Why are radiowaves considered safe for use in food analysis?

They are non-ionizing radiation Signup and view all the answers