Purify chloroform by distillation

Purify chloroform by distillation

Assessment

Interactive Video

Science, Chemistry, Physics

1st - 6th Grade

Hard

Created by

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The video tutorial demonstrates the process of distilling and purifying chloroform. It covers the setup of the distillation apparatus, monitoring the process, and making necessary adjustments. The presenter discusses equipment challenges and improvisations, such as using a tripod instead of stands. Cooling methods and leak testing are also highlighted. The tutorial concludes with the successful collection of pure chloroform.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of maintaining the water bath at 80 degrees Celsius during the distillation process?

To ensure the chloroform boils properly

To prevent the chloroform from evaporating

To cool down the chloroform

To increase the boiling point of chloroform

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why did the narrator use a tripod and pipe cleaners for the setup?

They are more stable than stands

They are cheaper than stands

They were the only available option

They are more customizable

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the role of the $6 pump from Harbor Freight in the distillation process?

To measure the temperature

To condense the vapor

To circulate the saltwater ice bath

To heat the chloroform

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did the saltwater ice bath contribute to the distillation process?

It added impurities to the chloroform

It prevented vapor loss

It increased the boiling point of chloroform

It heated the chloroform

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the final amount of pure chloroform collected?

120 milliliters

100 milliliters

160 milliliters

140 milliliters