Define oxidation state of an atom, Chemistry

Assignment Help:

Q. Define Oxidation state of an atom?

Oxidation State: Oxidation state of an atom is defined as an apparent or formal charge on that particular atom in a molecule. In majority of the cases it is easily identified. For example, a complex [Cu (NH3)4] Cl2 has the copper ion in the oxidation state of +2 since NH3 molecules are neutral or do not carry any net charge. Note that the valence is not the same as oxidation state. We can say that in the above complex, copper shows a covalence of four and electrovalence of two. In some cases, however, it may not be easy to find out the oxidation state of the metal ion from the knowledge of the formula of the complex only. Suppose we consider a complex like [Fe(H5O)2NO]2+. We also know that NO can exist as a neutral entity having no charge or as NO- or NO+. Now if in the above compound NO is acting as a neutral molecule, the oxidation state of Fe would be +2. If NO is present as NO-, Fe would be in +3 oxidation state. Finally if it is present in the form of NO+, Fe would have +I oxidation state. Thus more information is required before the Oxidation State of the metal ion can be decided.


Related Discussions:- Define oxidation state of an atom

What is the use of gallium, Q. What is the use of Gallium? Gallium is m...

Q. What is the use of Gallium? Gallium is mainly used in semiconductor technology. It is used for doping other semiconductor and in solid state devices such as transistors.

Equilibrium : N2 + 3H2 ----> 2NH3 , How does an equilibrium is disturbed by...

How does an equilibrium is disturbed by adding 1 mole of H2 in the following reaction: N 2 + 3H 2 ----> 2NH 3 Ans) The equilibrium will not be affected according to Le Chatel

nickel exist as ni+3 & ni +2 , Analysis show that nickel oxide has formul...

Analysis show that nickel oxide has formulla ni .98 O 1.00 what fraction of the of nickel exist as ni+3 & Ni +2   Ans) ni+2=95.91 and ni+3=4.09

Determine the increasing order, The increasing order (lowest first) for the...

The increasing order (lowest first) for the values of e/m   (charge/mass) for: (1) e,p,n,a                            (2) n,p,e,a,            (3) n,p,a,e,

Arhenious concept, Explain Arhenious theory with utility and limitation?

Explain Arhenious theory with utility and limitation?

Coulometry, can any one explain current galvanostatic coulometry ?

can any one explain current galvanostatic coulometry ?

Be2+ is isoelectronic with, Be 2+ is isoelectronic with: (1) Mg 2+    ...

Be 2+ is isoelectronic with: (1) Mg 2+                               (2) Na +    (3) Li +                    (4) H + Ans: Li +

Atom, which of the properties of atoms of elements is the whole number/

which of the properties of atoms of elements is the whole number/

D and f block, why a small amount of an acid is added while preparing solut...

why a small amount of an acid is added while preparing solution of potassium dichromate?

Calomel electrode, Construction and working of calomel electrode with a lab...

Construction and working of calomel electrode with a labelled diagram

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