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An element that increases its oxidation number in a reaction has been oxidized. This means it loses electrons or gains a more positive oxidation state. You can determine which element is oxidized by comparing the oxidation numbers of the element in the reactants and products of the reaction.
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Which element increases its oxidation number in the following reaction 2na plus 2h2o---2naoh plus h2?
Sodium - it goes from oxidation number 0 to +1
Which element decreases its oxidation number in the following reaction?
An element that decreases its oxidation number in a chemical reaction is undergoing reduction. In the given reaction, the element that is reduced is the one that gains electrons and decreases its oxidation number.
Can the oxidation number of an element change?
Yes, the oxidation number of an element can change depending on the chemical reaction it is involved in. The oxidation number reflects the number of electrons that an atom has gained or lost, so as atoms gain or lose electrons during a reaction, their oxidation numbers can change accordingly.
In a redox reaction the numbers of some of the elements changes from the reactants to the products?
In a redox reaction the OXIDATION numbers of some of the elements change from the reactants to the products. The numbers of atoms each element never changes in any chemical reaction.
How is oxidation number used to identify redox reaction?
Oxidation numbers help to identify which atoms are oxidized and reduced in a reaction. If an element's oxidation number increases, it is being oxidized. If it decreases, it is being reduced. By comparing the oxidation numbers of reactants and products, you can determine if a redox reaction has occurred.
Which element increases its oxidation number in the following reaction 2na plus 2h2o---2naoh plus h2?
Sodium - it goes from oxidation number 0 to +1
Which element decreases its oxidation number in the following reaction?
An element that decreases its oxidation number in a chemical reaction is undergoing reduction. In the given reaction, the element that is reduced is the one that gains electrons and decreases its oxidation number.
Which element increases its oxidation number in this reaction 3koh h3po4 k3po4 3h2o?
Phosphorus increases its oxidation number in this reaction. In H3PO4, phosphorus has an oxidation number of +5, and in K3PO4, it has an oxidation number of +5 as well. This means that phosphorus's oxidation state remains the same throughout the reaction.
What is a re-dox reaction?
A reaction in which electrons have been transferred from one atom to another .
Can the oxidation number of an element change?
Yes, the oxidation number of an element can change depending on the chemical reaction it is involved in. The oxidation number reflects the number of electrons that an atom has gained or lost, so as atoms gain or lose electrons during a reaction, their oxidation numbers can change accordingly.
How is oxidation number used to identify redox reaction?
Oxidation numbers help to identify which atoms are oxidized and reduced in a reaction. If an element's oxidation number increases, it is being oxidized. If it decreases, it is being reduced. By comparing the oxidation numbers of reactants and products, you can determine if a redox reaction has occurred.
In a redox reaction the numbers of some of the elements changes from the reactants to the products?
In a redox reaction the OXIDATION numbers of some of the elements change from the reactants to the products. The numbers of atoms each element never changes in any chemical reaction.
How does the oxidation state of 0 change in the following reaction?
The oxidation state of an element with oxidation state 0 cannot change, as it already has a balance of electrons.
What element is oxidized in the following redox reaction 2h2s o2?
In the given reaction, the hydrogen sulfide (H2S) is the element that gets oxidized. The sulfur in H2S changes from a -2 oxidation state to 0 in sulfur dioxide (SO2), indicating oxidation.
When an element is oxidized what does its oxidation number do?
When an element is oxidized, its oxidation number increases. Oxidation involves the loss of electrons, so the oxidation number becomes more positive in the process.
How do you determine if a reaction is an oxidation-reduction reaction?
An oxidation-reduction reaction can be determined by looking for changes in the oxidation states of the elements involved. If an element loses electrons (oxidation) and another gains electrons (reduction), it is likely an oxidation-reduction reaction.
What is it called when an element is simultaneously oxidised and reduced in a reaction?
It is called disproportionation. In this type of reaction, an element undergoes both oxidation and reduction, leading to the formation of two different oxidation states of the element.
