State, Giving Reason, Whether the Substances Printed in Bold Letters Have Been Oxidized Or Reduced. Mg + 2hcl → Mgcl2 + H2

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

Mg + 2HCl → MgCl₂ + H₂

One Line Answer

Magnesium undergoes oxidation by loss of electrons (Mg - 2e^-→ Mg²⁺).

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Chapter 6 Study of the First Element - Hydrogen
Exercise 6 (D) | Q 3.2 | Page 112

What is an oxidising agent?

Is oxidation an exothermic or an endothermic reaction?

Write the equation in the ionic form

CuSO4_(aq) + Fe_(s)→ FeSO4_(aq) + Cu_(s)

Name:

a solid that is an oxidizing agent.

Explain the term reduction in term of addition and removal of oxygen/hydrogen with a suitable example.

Give two test for an oxidising agent.

Find the oxidation number of the elements in the following compounds.

Which among the following are physical or chemical change?

Heating of an iron rod to red hot

Identify the type of chemical reaction given below:

\[\ce{2Mg + O2 -> 2MgO}\]

State whether the given chemical reaction is a redox reaction or not. Justify your answer.

\[\ce{MnO_2 + 4HCl->MnCl_2 +2H_2O + Cl_2}\]