Oxidation and reduction, Chemistry

Assignment Help:

 

Definitions

 Oxidation exactly meant 'combination with oxygen' and reduction 'removal of oxygen'. These definitions have been illustrated. Oxidation implies combination with a more electronegative element, the removal of a less electronegative one, or same the removal of electrons. Reduction is the opposite to oxidation and in general implies addition of electrons. In any reaction where one substance is oxidized, another must be reduced: the term redox reaction is used to explain this.

As the reaction of zinc (Zn) in aqueous acid,

 

109_Untitled.png

 

where zinc metal is oxidized to Zn2+, and hydrogen reduced from H+ to H2; and the reduction of zinc oxide by carbon,

 

1844_Untitled.png

 

where zinc is reduced from ZnO to the metal, elemental carbon is oxidized to CO, and oxygen, combined with a less electronegative element on both sides, is not oxidized or reduced.

 


Related Discussions:- Oxidation and reduction

Voltammetry, Voltammetry: You learnt about voltammetry. Several electr...

Voltammetry: You learnt about voltammetry. Several electrodes, especially the general microelectrodes used in voltammetry were discussed. Then we discussed the common voltamme

What are enantiomers and diastereomers, What are enantiomers and diastereom...

What are enantiomers and diastereomers? Differentiate among chiral and achiral molecules. Give an state of Reimer-Tiemann reaction.  How is Bakelite made and what is its majo

Structure of covalent bonds, Q. Structure of Covalent Bonds? Ans. ...

Q. Structure of Covalent Bonds? Ans. A covalent bond forms between elements that are near each other in the periodic table While an ionic bond involves an exchange of e

Explain the heat of formation of the gases, Take these values into account ...

Take these values into account and comment on the relation between the heat of formation of the gases and the vibrational frequencies again.

Alcoholic acidity of flour, what is the chemical reaction undergone during ...

what is the chemical reaction undergone during determination of alcoholic acidity of flour

The nucleus of the element 21e45 contains, The nucleus of the element 21 ...

The nucleus of the element 21 E 45  contains: (1) 45 protons and 21 neutrons   (2) 21 protons and 24 neutrons (3) 21 protons and 45 neutrons  (4) 24 protons and 21 n

Synthetic rubber - classification of rubber, Synthetic Rubber - Classificat...

Synthetic Rubber - Classification of Rubber The synthetic rubber is acquired by polymerising specific organic compounds that may have properties identical to rubber and some w

Explain cohesive energy, 'Cohesive energy' : In a chemical bond, it is the...

'Cohesive energy' : In a chemical bond, it is the energy needed to dissociate a solid into isolated atoms or molecules as appropriate.

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