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IR Spectrometry and Mass Spectroscopy

Authored by Michael Alvetro

Science

12th Grade

IR Spectrometry and Mass Spectroscopy
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between how science is portrayed in movies and TV shows versus reality?

Science in media is often oversimplified and faster than in reality.

Science in media is always accurate.

Science in media is more complex than in reality.

Science in media never uses real scientific instruments.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is spectroscopy primarily concerned with?

Generating spectra from different techniques.

Identifying the chemical formula of substances.

Observing how electromagnetic radiation interacts with molecules.

Measuring the mass of molecules.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about spectrometry?

It cannot be used for mixtures.

It generates interpretable data from various techniques.

It only uses visible light.

It is always non-destructive.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What information does mass spectrometry provide about a molecule?

Its molecular mass.

Its boiling point.

Its color.

Its solubility.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In mass spectrometry, what is a radical cation?

A molecule that has split into two neutral fragments.

A molecule that has gained an electron.

A molecule that has lost an electron and has an unpaired electron.

A molecule with a negative charge.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the term 'molecular ion' refer to in mass spectrometry?

A molecule with a negative charge.

A molecule that has lost an electron and has an unpaired electron.

A molecule that has split into two neutral fragments.

A molecule that has gained an electron.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the base peak in a mass spectrum represent?

The heaviest fragment.

The smallest fragment.

The molecular ion.

The most stable ion with the highest relative intensity.

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