Question 1

What is the purpose of an ionic equation?

Accepted Answer

To show which atoms or ions are being reduced and which are being oxidized

Answer

To balance chemical reactions

Answer

To calculate reaction rates

Answer

To determine reaction yield

Question 2

If lithium chloride reacts with sodium, what are the products formed?

Accepted Answer

Sodium chloride and lithium

Answer

Lithium sodium and chlorine

Answer

Sodium chloride and lithium chloride

Answer

Sodium chloride and chlorine

Question 3

How do you identify spectator ions in an ionic equation?

Accepted Answer

Ions that do not change charge during the reaction

Answer

Ions that undergo oxidation only

Answer

Ions that disappear in the reaction

Answer

Ions that gain electrons during the reaction

Question 4

Which ion is identified as a spectator ion in an ionic equation involving calcium?

Accepted Answer

Ca2+

Answer

Cl-

Answer

Na+

Answer

Mg2+

Question 5

Which ion is a spectator ion in the ionic equation involving 2Na+ S2- and 2K?

Accepted Answer

S2-

Answer

S2+

Answer

K+

Answer

Na+

Question 6

In the first equation mentioned, what is the spectator ion? (Li + Cl₂)

Accepted Answer

The calcium ion Ca2+

Answer

The chloride ion Cl-

Answer

The sodium ion Na+

Answer

The lithium ion Li+

Question 7

In the second equation mentioned&#44; what ions can be crossed out as spectator ions? (Na + S)

Accepted Answer

O2- ions

Answer

K+ ions

Answer

Mg2+ ions

Answer

Na+ ions

Question 8

In the last equation mentioned&#44; which ion is considered a spectator ion? (Na + S)

Accepted Answer

S2-

Answer

Na+

Answer

Cl-

Answer

K+

Question 9

What do you do with spectator ions in an ionic equation?

Accepted Answer

Cross them out or delete them

Answer

Highlight them in the equation

Answer

Change their charge

Answer

Combine them with other ions

Question 10

What happens to spectator ions in an ionic equation?

Accepted Answer

They are deleted or crossed out

Answer

They are highlighted in bold

Answer

Their charge increases

Answer

They become the main reactants

Question 11

What is the role of spectator ions in a chemical reaction?

Accepted Answer

They do not actively participate in the reaction

Answer

They cause the reaction to occur

Answer

They determine the reaction rate

Answer

They provide the energy for the reaction

Question 12

What defines a spectator ion in a reaction?

Accepted Answer

Ions that do not change their charge

Answer

Ions that are highly reactive

Answer

Ions that form new compounds

Answer

Ions that release energy

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