Net Ionic Equations and Spectator Ions

Net Ionic Equations and Spectator Ions

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Lucas Foster

FREE Resource

The video tutorial explains how to write a balanced net ionic equation for the reaction between nickel(II) chloride and sodium bromide. It begins by balancing the molecular equation, then discusses the solubility of the compounds involved, indicating that all substances dissolve in water. The tutorial proceeds to split the strong electrolytes into their ions, forming a complete ionic equation. However, upon identifying and crossing out the spectator ions, it is concluded that no net ionic equation exists as no reaction occurs. The video emphasizes that all ions remain unchanged in the solution.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in writing a net ionic equation?

Balance the molecular equation

Write the complete ionic equation

Identify spectator ions

Determine the solubility of compounds

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to know the solubility rules when writing net ionic equations?

To know which substances dissolve in water

To determine the color of the solution

To identify the charge of ions

To balance the equation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does 'aq' signify when writing the state of a substance?

The substance is aqueous and dissolves in water

The substance is a solid

The substance is a liquid

The substance is a gas

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of a nickel ion in the given reaction?

1+

2+

0

3+

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine the charge of the nickel ion in the reaction?

By the number of chloride ions

By the solubility rules

By the color of the solution

By the periodic table

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are spectator ions?

Ions that form a precipitate

Ions that participate in the reaction

Ions that change state during the reaction

Ions that remain unchanged on both sides of the equation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is there no net ionic equation for the reaction between NiCl2 and NaBr?

The reaction is not balanced

The reaction produces a gas

All ions are spectator ions

A precipitate forms

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