1.1 Oxidation and Reduction

Report 1 / 5

Which of the following is correct regarding redox reaction?

(A)		The oxidising agent is oxidised in the redox reaction

(B)		Oxidation is a chemical reaction that involves the addition of oxygen

(C)		The reducing agent is reduced in the redox reaction

(D)		Reduction is a chemical reaction that involves the addition of oxygen

Difficulty Level: Medium

Report 2 / 5

What is the oxidation number of carbon in carbon dioxide, \(CO_2\)?

Difficulty Level: Hard

Report 3 / 5

Which of the following represents an oxidation process?

(A)		Removal of oxygen from iron(II) oxide

(B)		Addition of oxygen to magnesium

(C)		Addition of an electron to a chlorine atom

(D)		Addition of hydrogen molecule to oxygen gas

Difficulty Level: Easy

Report 4 / 5

What is the name of \(CuCO_3\) according to IUPAC naming system?

Difficulty Level: Medium

Report 5 / 5

\(2Mg(s)+O_2(g) \rightarrow 2MgO(s)\)

Which of the following is being oxidised in the reaction?

Difficulty Level: Medium