State, Giving Reason, Whether the Substances Printed in Bold Letters Have Been Oxidized Or Reduced. Cl2 + H2s → 2hcl + S

State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.

Cl₂ + H₂S → 2HCl + S

One Line Answer

Chlorine undergoes reduction by the addition of hydrogen to form HCl.

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Chapter 6 Study of the First Element - Hydrogen
Exercise 6 (D) | Q 3.4 | Page 112

Explain the following in term Oxidation of gain or loss of oxygen with two example.

Write the chemical formula of rust.

In the reaction represented by the equation:

\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]

Explain the following in terms of gain or loss of oxygen with one example:

Oxidation

In the context of redox reactions, the removal of hydrogen from a substance is known as ______.

Explain the following in term of gain or loss of oxygen with two examples.

Reduction

Name:

an oxidizing agent that does not contain oxygen.

Name:

a liquid that is an oxidizing agent as well as a reducing agent.

The tarnishing of metals is due to the formation of ______.

The oxidizing agent in the equation \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\] is ______.