Quiz de coeficientes de números de oxidación

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Questions and Answers

El método redox se utiliza para balancear ecuaciones químicas.

True (A)

Los coeficientes estequiométricos en la ecuación de la reacción se obtienen multiplicando las medias reacciones por una cantidad adecuada.

True (A)

En la ecuación 2(Fe^0 - 3e^-) -> 2Fe^0 - 6e^- -> 2Fe^3+, se ganan 6 electrones por parte del hierro.

False (B)

La reacción entre cloro y hidróxido de sodio produce agua, cloruro de sodio e hipoclorito de sodio.

<p>True (A)</p> Signup and view all the answers

En la ecuación Cl2 + NaOH -> H2O + NaCl + NaClO, el cloro se oxida y reduce durante el proceso de la reacción.

<p>True (A)</p> Signup and view all the answers

El cloro cambia de 0 a 1-

<p>True (A)</p> Signup and view all the answers

El cloro cambia de 0 a 1+

<p>True (A)</p> Signup and view all the answers

El cloro ha ganado electrones en la reacción de reducción

<p>True (A)</p> Signup and view all the answers

El cloro ha perdido electrones en la reacción de oxidación

<p>True (A)</p> Signup and view all the answers

La ecuación química balanceada es: $2Cl2 + 4NaOH \rightarrow 2H2O + 2NaCl + 2NaClO$

<p>True (A)</p> Signup and view all the answers

Flashcards

Redox Method

A method used to balance chemical equations, particularly useful for complex reactions involving oxidation and reduction.

Stoichiometric Coefficients via Half-Reactions

Multiplying half-reactions by appropriate factors ensures the number of electrons lost equals the number gained, yielding stoichiometric coefficients.

Reaction of Chlorine and Sodium Hydroxide

Chlorine reacts with sodium hydroxide to produce water, sodium chloride, and sodium hypochlorite.

Chlorine's Disproportionation

In this reaction, chlorine undergoes both oxidation and reduction, forming different products with varying oxidation states.

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Chlorine Reduction

In the reduction part of the reaction, chlorine's oxidation state changes from 0 to 1-.

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Chlorine Oxidation

In the oxidation part of the reaction, chlorine's oxidation state changes from 0 to 1+.

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Chlorine Gains Electrons

In the reduction part of the reaction, chlorine gains electrons.

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Chlorine Loses Electrons

In the oxidation part of the reaction, chlorine loses electrons.

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Balanced Redox Reaction

The balanced equation is: $2Cl2 + 4NaOH \rightarrow 2H2O + 2NaCl + 2NaClO$

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