Naming and Properties of H3PO4

Naming and Properties of H3PO4

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Amelia Wright

FREE Resource

The video tutorial explains how to name H3PO4 as phosphoric acid using a flowchart and a common ion table. It identifies H as the acid component and PO4 as a polyatomic ion. The charges of H and PO4 are calculated, and PO4 3- is located on the ion table as the phosphate ion. The naming process involves modifying 'phosphate' to 'phosphoric acid', with a special note on the exception for phosphorus.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in naming H3PO4 using the flowchart?

Identify the polyatomic ion

Determine the charge of hydrogen

Check the number of elements

Use the common ion table

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What charge does the PO4 group have in H3PO4?

0

-3

-2

-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogen ions are present in H3PO4?

4

3

2

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the common ion table in naming H3PO4?

To find the charge of hydrogen

To calculate the molecular weight

To identify the polyatomic ion

To determine the number of elements

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which ion is identified as PO4 3- in the common ion table?

Carbonate

Phosphate

Nitrate

Sulfate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What suffix is used when naming acids that end with 'ate'?

ate

ic

ous

ide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the exception to the naming rule for phosphorus in H3PO4?

Remove the 'or'

Add 'ous' instead of 'ic'

Keep the 'or' in the name

Use 'ate' instead of 'ic'

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final name for H3PO4 after considering all naming rules and exceptions?

Phosphide acid

Phosphate acid

Phosphoric acid

Phosphorous acid