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A single reaction where oxidation and reduction take place is called?

A redox reaction. This type of reaction involves the transfer of electrons from one reactant to another, resulting in oxidation and reduction of the reacting species.


Does oxygen have to be present for an oxidation-reduction reaction to take place?

nope


Oxidation cannot occur without?

Oxidation cannot occur without a reduction reaction happening simultaneously. In a redox reaction, electrons are transferred between two species: one is oxidized (loses electrons) and one is reduced (gains electrons). This electron transfer process is essential for oxidation to take place.


What can oxidation not occur without?

Oxidation cannot occur without a reduction reaction happening simultaneously. In a redox reaction, one reactant is oxidized (loses electrons) while another is reduced (gains electrons). This transfer of electrons is essential for oxidation to take place.


Does Oxidation and reduction reactions occur at the same time?

Yes, an element can undergo both oxidation and reduction in the same reaction. The reaction between Zinc and Copper Sulphate is a perfect example. This type of reaction is called a redox reaction.


Oxidation takes place at anode and reduction at cathode?

In an electrochemical cell, oxidation occurs at the anode, where electrons are lost as a result of a redox reaction. The anode is where oxidation half-reactions take place, generating electrons that flow through the external circuit to the cathode. Reduction, on the other hand, occurs at the cathode, where electrons are gained during the redox reaction. This flow of electrons from anode to cathode is what generates an electric current in the cell.


Why is it possible for both reduction and oxidation to take place at the same time?

There are chemical handbooks and journals filled with examples of oxidation reduction reactions.


Why must oxidation and reduction occur simultaneously?

Because for oxidation to take place the electrons lost by the substance that is oxidized must be accepted by atoms or ions of another substance. Also, for reduction to occur the electrons gained by the substance that is being reduced must be transferred from the atoms of ions of another substance. Therefore, oxidation and reduction are complementary processes: that is to say that oxidation cannot occur without reduction and visa versus.


Is burning magnesium an oxidation-reduction reaction?

Yes, burning magnesium is an oxidation-reduction reaction. When magnesium metal burns, it reacts with oxygen in the air to form magnesium oxide, with magnesium being oxidized and oxygen being reduced.


Rusting of iron is an example of?

Rusting of iron is an example of a chemical reaction known as oxidation, where iron reacts with oxygen in the presence of water to form iron oxide (rust). It is a slow process that weakens the iron over time, eventually leading to its deterioration if left unchecked. Rusting can be prevented by using protective coatings or by controlling the environment to limit exposure to water and oxygen.


Examples of non-redox reaction?

Any reaction that doesn't have at least one atom that increases in oxidation number during the reaction and at least one atom that decreases in oxidation number during the reaction is not a redox reaction. The atom that decreases and the atom that increases can be atoms of the same element. Examples: 2H2 + O2 --> 2H2O ( Atoms of elements have an oxidation number of 0, so that the hydrogen atoms change from 0 to +1, which is oxidation, while the oxygen atoms change from 0 to -2, which is reduction. So the reaction is a redox reaction.) An example of a reaction in which atoms of the same element undergo both oxidation and reduction is: 2 MnO4- (aq) + 5 Mn (s) + 16 H+ (aq) -> 7 Mn+2 (aq) + 4 H2O (l). (In this reaction, 2 manganese atoms change from +7 to +2, which is reduction, and 5 manganese atoms change from 0 to +2, which is oxidation. ) An example of a non-redox reaction is Pb(NO3)2 (aq) + Na2SO4 (aq) ---> 2 NaNO3 (aq) + PbSO (s). (No atom changes its oxidation state in this reaction.)


What is a redox process?

A redox reaction (reduction and oxidation reaction) is a reaction in which there is a transfer of electrons. When an element is reduced, it gains electrons and its oxidation number is reduced. When an element is oxidized, it loses electrons and its oxidation number increases. Reduction and oxidation always happen at the same time.There are seven rules to redox reactions and the formulas within them. # The oxidation number of a free element is zero (0). This includes Nitrogen (N2), Helium, Oxygen (O2), Ozone (O3) and S8. (Because there is no transfer of electrons, of course there would be no oxidation number!) # The oxidation number of a simple ion is its charge. For example, the oxidation number of Cl- is -1 and the oxidation number of Al3+ is +3. # The metals in Groups 1 and 2 (or 1A and 2A) have oxidation numbers of +1 and +2 respectively. # Hydrogen in combination usually has an oxidation number of +1. An exception to this rule are the metal hydrides (such as NaH), in which hydrogen has the oxidation number of -1. In other words, with Group 1 elements, Hydrogen will be -1. # Oxygen in combination usually has an oxidation number of -2. Exceptions to this rule include peroxide (such as H2O2, when Oxygen has to be -1) and oxygen-fluorine compounds, in which the oxidation number of oxygen is positive. This is because oxygen is the second-most electronegative element and usually takes electrons, but fluorine is the absolute most electronegative element and will take oxygen's electrons. # In a molecular or ionic compound, the sum of oxidation number totals must add to zero, since these compounds are electrically neutral. # In a polyatomic ion, the sum of the oxidation number totals must add to the charge of the ion.With these rules in mind, we'll look at the formula in the synthesis of hydrogen and oxygen to make water.2H2 + O2 => 2H20Pure Hydrogen and pure Oxygen have an oxidation number of zero because of rule number 1.In water, hydrogen has an oxidation number of +1 (rule 4) and oxygen would have an oxygen would have an oxidation number of -2 (rule 5). Hydrogen, therefore, is oxidized and oxygen is reduced.