Carboxylate Salts and Their Properties

Carboxylate Salts and Their Properties

Assessment

Interactive Video

Chemistry

10th - 12th Grade

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial explores the naming of carboxylate salts, focusing on their relationship with carboxylic acids. It explains the IUPAC rules for naming these salts, using sodium benzoate as a key example. The tutorial also provides a detailed example of naming lithium 4-methylpentanoate and discusses the safety and biological effects of sodium benzoate compared to benzene.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of sodium benzoate in food products?

To add color

To increase nutritional value

To act as a preservative

To enhance flavor

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are carboxylate salts related to carboxylic acids?

They are formed by adding a proton to carboxylic acids

They are formed by removing a proton from carboxylic acids

They are unrelated to carboxylic acids

They are formed by adding an electron to carboxylic acids

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What suffix is used in the IUPAC name of a carboxylate salt?

ide

ate

oic acid

ite

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which element is commonly found as the cation in carboxylate salts?

Magnesium

Calcium

Sodium

Iron

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example of lithium 4-methylpentanoate, what is the role of lithium?

It is part of the carbon chain

It is a spectator ion

It acts as the anion

It is the cation balancing the negative charge

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in naming a carboxylate salt according to IUPAC rules?

Name it as if it were a carboxylic acid

Determine the cation

Find the number of double bonds

Identify the longest carbon chain

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct IUPAC name for a molecule with a COO- group bonded to lithium and a methyl branch at position 4?

Lithium 4-methylpentanoic acid

Lithium 4-methylpentanoate

4-methylpentanoic acid

4-methylpentanoate

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