Understanding Redox Reactions

What mnemonic helps remember the process of oxidation and reduction?

• AN OX

• RED CAT

• OIL RIG

• LEO the lion says GER

In the reaction Sn2+ to Sn4+, what happens to the oxidation state of Tin?

• It decreases by 1

• It remains the same

• It decreases by 2

• It increases by 2

Which side of a redox reaction typically gains electrons?

• Both sides

• Neither side

• Product side

• Reactant side

In the reaction of H2 and O2 forming water, which element is oxidized?

• Neither

• Both

• Oxygen

• Hydrogen

What is the role of hydrogen in the reaction where it is oxidized?

• Oxidizing agent

• Reducing agent

• Catalyst

• Spectator ion

In a disproportionation reaction, what happens to the same element?

• It is both oxidized and reduced

• It is only reduced

• It remains unchanged

• It is only oxidized

In a single replacement reaction involving halogens, what typically happens to the halogen?

• It loses electrons

• It forms a covalent bond

• It remains neutral

• It gains electrons

What type of reaction involves combining two elements to form a compound?

• Disproportionation

• Synthesis

• Combustion

• Decomposition

In the combustion of methane, what happens to the oxidation state of carbon?

• It remains the same

• It increases

• It decreases

• It fluctuates

During decomposition, what typically happens to the oxidation states of elements?

• They increase

• They decrease

• They remain constant

• They can both increase and decrease