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Cu ----> Cu 2+ + 2e-

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How can you identify a redox reaction in a chemical equation?

A redox reaction can be identified in a chemical equation by observing the transfer of electrons between reactants. Look for changes in oxidation states of elements and the presence of both reduction and oxidation half-reactions.


Reaction between copper oxide and hydrogen?

When copper oxide reacts with hydrogen, it forms copper metal and water. The balanced chemical equation for this reaction is: CuO + H2 → Cu + H2O. This is a reduction-oxidation (redox) reaction where copper oxide is reduced and hydrogen is oxidized.


How we Balance of redox equation by oxidation number method?

To balance a redox equation using the oxidation number method, assign oxidation numbers to each element in the reactants and products, identify the elements undergoing oxidation and reduction, write half-reactions for oxidation and reduction, balance the atoms in each half-reaction, balance the charges by adding electrons, multiply the half-reactions to make the electrons cancel out, and then add the balanced half-reactions to obtain the overall balanced redox equation.


What is the change in oxidation number for the iodide ion in redox titration?

Reductant Iodide (I-) can be oxidised to other (more postive) oxidation numders by loosing electrons to the oxidant. Depending on the oxidant's strength this can change to the following numbers: 0 (zero) in I2 , and +1, +2, +3, +4 (in hypoiodite IO-, iodite IO2-, iodate IO3-, periodate IO4- respectively)


Which is the first step to follow when using the oxidation-number-change method to balance a redox equation?

The first step is to write the unbalanced skeleton equation for the redox reaction, showing the reactants and products.


What is the overall redox reaction of cr2o7 plus br?

The overall redox reaction of Cr2O7 + Br is not a balanced equation. To balance the equation, the half-reactions for the oxidation and reduction of each element need to be determined and balanced first.


What is the word equation for copper sulphate and zinc?

This is called a reduction / oxidation reaction:Reduction of Cu2+ to Cu , done by electron donation from Zn which is then oxidized to Zn2+.Sulfate ions (SO42-) do not take part in this, they're called: tribuned ions.


What is the balanced equation for the redox reaction between cooper and sulfuric acid that forms copper(ll)sulfate sulfur dioxide and water?

The balanced equation for the redox reaction between copper and sulfuric acid to form copper(II) sulfate, sulfur dioxide, and water is: 2Cu + 2H2SO4 → CuSO4 + SO2 + 2H2O


How can one determine redox reactions?

Redox reactions can be determined by looking for changes in oxidation numbers of elements involved in the reaction. Oxidation involves an increase in oxidation number, while reduction involves a decrease. If there is a change in oxidation numbers, it indicates a redox reaction.


Iodide reacting with chlorine to form iodine?

When iodide reacts with chlorine, it forms iodine gas according to the chemical equation: 2KI + Cl2 → 2KCl + I2. This is a redox reaction where chlorine is reduced and iodide is oxidized. The reaction can be seen as the displacement of iodine from the iodide by chlorine.


What is short for oxidation-reduction?

redox


What elements do redox reaction get?

oxidation