Select the correct statements. (1) ZnO>Ga2 O3>Al2 O3>BeO (amphoteric oxides) (2) Na2 O behaves b

step 1 Dear students, in problem 38 of chapter 3rd we have asked that select the correct statements and

Select the correct statements. (1) ZnO>Ga2 O3>Al2 O3>BeO...

Select the correct statements. (1) $\mathrm{ZnO}>\mathrm{Ga}_{2} \mathrm{O}_{3}>\mathrm{Al}_{2} \mathrm{O}_{3}>\mathrm{BeO}$ (amphoteric oxides) (2) $\mathrm{Na}_{2} \mathrm{O}$ behaves both as basic and as well as normal oxide (3) $\mathrm{Hg}_{2} \mathrm{O}$ dissolves in $\mathrm{Hg}$ which loses its meniscus and stick to glass (tailing of mercury), is represented by the reaction $$ \mathrm{O}_{3}+2 \mathrm{H}^{\oplus}+2 \mathrm{H}_{2(\mathrm{~g})} \longrightarrow \mathrm{O}_{2}+\mathrm{H}_{2} \mathrm{O}+\mathrm{Hg}_{2}^{2+} $$ (4) During the oxidation of $\mathrm{SnCl}_{2}$ to $\mathrm{SnCl}_{4}$ by $\mathrm{O}_{3}, \mathrm{O}_{2}$ is evolved.

Select the correct statements.
(1) $\mathrm{ZnO}>\mathrm{Ga}_{2} \mathrm{O}_{3}>\mathrm{Al}_{2} \mathrm{O}_{3}>\mathrm{BeO}$ (amphoteric oxides)
(2) $\mathrm{Na}_{2} \mathrm{O}$ behaves both as basic and as well as normal oxide
(3) $\mathrm{Hg}_{2} \mathrm{O}$ dissolves in $\mathrm{Hg}$ which loses its meniscus and stick to glass (tailing of mercury), is represented by the reaction
$$
\mathrm{O}_{3}+2 \mathrm{H}^{\oplus}+2 \mathrm{H}_{2(\mathrm{~g})} \longrightarrow \mathrm{O}_{2}+\mathrm{H}_{2} \mathrm{O}+\mathrm{Hg}_{2}^{2+}
$$
(4) During the oxidation of $\mathrm{SnCl}_{2}$ to $\mathrm{SnCl}_{4}$ by $\mathrm{O}_{3}, \mathrm{O}_{2}$ is evolved.

Key Concepts

Amphoteric Oxides

Amphoteric oxides are oxides that can react with both acids and bases, showing acidic properties under one set of conditions and basic properties under another. Their behavior is key in understanding how certain metal oxides interact in different chemical environments, and this characteristic is used to predict reactions and the formation of different compounds.

Basic and Normal Oxides

Basic oxides generally react with acids, while normal oxides are inert in such reactions, showing neither acidic nor basic character under standard conditions. This concept is important when analyzing the reactivity and behavior of oxides, highlighting the differences in chemical behavior among metal oxides and their corresponding reactions with acids or bases.

Redox Reactions in Inorganic Chemistry

Redox reactions involve the transfer of electrons between species, resulting in changes in oxidation states. They are central to many inorganic processes, including the transformation of metal compounds and the evolution of gases. Understanding these reactions is essential for explaining phenomena like the oxidation of lower oxidation state compounds to higher ones and the behavior of metal oxides in the presence of specific oxidizing agents.

Reaction Mechanisms in Oxidation Processes

The study of reaction mechanisms, particularly in oxidation processes, involves detailing the step-by-step changes that occur when a substance is oxidized. This includes identifying intermediates, understanding how oxidants like ozone interact with metal compounds, and explaining processes such as gas evolution or the formation of complex ions. This concept is crucial for predicting and analyzing the outcomes of various oxidation reactions in inorganic chemistry.

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