List of top Chemistry Questions on Oxidation Number

What is the oxidation state of sulfur in \( \text{H}_2\text{SO}_4 \)?
In an oxidation-reduction reaction, what happens to the oxidation state of the central atom in \( \text{MnO}_4^- \) when it is reduced to \( \text{Mn}^{2+} \)?
The group reagent NH\(_4\)Cl (s) and aqueous NH\(_3\), will precipitate which of the following ion
In the reaction \( \text{Zn} + 2\text{Ag}^+ \rightarrow \text{Zn}^{2+} + 2\text{Ag} \), what is the oxidation state of zinc in \( \text{Zn} \) and \( \text{Zn}^{2+} \)?
What is the oxidation number of sulfur in sulfuric acid (H$_2$SO$_4$)?
The oxidation number of oxygen in peroxides is __.
What is the oxidation state of sulfur in \( \text{H}_2\text{SO}_4 \)?
Oxidation number of hydrogen is (-1) in:
Amount of charge needed to dissociate MgClâ‚‚?
In the reaction \( 3Mg + N_2 \rightarrow Mg_3N_2 \), the oxidation number of Mg changes is:
The oxidation number of Co in complex [Co(H$_2$NCH$_2$CHNH$_2$)$_3$]$_2$(SO$_4$)$_3$ is:
Oxidation state of Fe(iron) in complex formed in brown ring test
Which of the following compounds in 3d series does not show +3 oxidation state?
Which of the following options contain amphoteric oxide(s) only?
Alkaline KMnO4 Oxidised iodide to a particular product (A). Determine the oxidation state of iodine in the compound (A).
What is the maximum oxidation state of an element in the periodic table?
For the compounds given below, the CORRECT order of increasing oxidation number of I is:
The sum of the oxidation numbers of all the carbon and oxygen atoms in carbonate ion is:
The total change in the oxidation state of manganese involved in the reaction of KMnO4 and potassium iodide in the acidic medium is______

In the following given reaction, ' $A$ ' is

In the following given reaction, ' A ' is

What is the oxidation number of S in H2S2O8 ?

$H _2 O _2$ acts as a reducing agent in

The difference in the oxidation state of \(Xe\) between the oxidised product of \(Xe\) formed on complete hydrolysis of \(XeF_4\) and \(XeF_4\) is _____ .
Sum of oxidation states of bromine in bromic acid and perbromic acid is ——-.
Match List I with List II
LIST I
Compound		 LIST II
Oxidation Number
of Cobalt
A.[Co(NH3)5(NCS)](SO3)I.+4
B.[Co(NH3)4Cl2]SO4II.0
C.Na4[Co(S2O3)3]III.+2
D.[Co2 (CO)8]IV.+3
Choose the correct answer from the options given below: