Define standard reduction potential, Chemistry

Assignment Help:

Q. Define standard reduction potential ?

Ans. The standard reduction potential, Eo

As we have seen in the example of a chemical cell in the previous section, the redox reaction "drives" electrons through the circuit. Volts, or voltage, is a measure of the potential for a substance to produce electricity. The tendency for a substance to be reduced is measured by its standard reduction potential, Eo. The more positive the standard reduction potential, the more likely the substance will undergo a reduction reaction.

The following table lists the standard reduction potentials of the commonly used half-cells:

135_reduction potential.gif

By definition, 2H+ + 2e- -> H2 is the standard reference cell. The value of its reduction potential Eois zero. All other reduction half-reactions are measured in reference to this value.

In general, the potential of a chemical cell to produce electricity is related to the difference of the half-cell potentials for each of the substances that are involved in the reduction and oxidation half-cells.


Related Discussions:- Define standard reduction potential

Substances, who created or found Styrene

who created or found Styrene

Types of titrations - oxidation reduction titrations, Oxidation Reduction T...

Oxidation Reduction Titrations The titrations based upon oxidation-reduction reactions are termed redox titrations. The chemical reactions proceed along with transfer of electr

Indoctomeric effect, Explain indoctomeric effect with example of nitro comp...

Explain indoctomeric effect with example of nitro compound?

Urea preparation, how to prepare 100ml of 40% urea solution

how to prepare 100ml of 40% urea solution

The oxygen of the hydronium ion, The oxygen of the hydronium ion The ox...

The oxygen of the hydronium ion The oxygen of the hydronium ion has approximately tetrahedral geometry and is therefore sp 3- hybridized. Two of the sp 3 hybrid orbitals conta

Radioactivity, Radioactive decay is a process whereby unstable nuclei chang...

Radioactive decay is a process whereby unstable nuclei change into more stable nuclei by emitting particles of different kinds. Alpha, beta and gamma (α, β and γ) radiation was cla

Palatable inorganic acids other than phosphoric acids, Are there any other ...

Are there any other palatable inorganic acids other than phosphoric acid? I need it because I on a research for finding food replacing plants ---- us becoming autotrophs. I am on t

P block, diamond is covalent.yet it has high melting point.why?

diamond is covalent.yet it has high melting point.why?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd