List of top Chemistry Questions on Oxidation Number And Oxidation States

What is the oxidation state of Chlorine in \( Cl_2O_7 \)?
What is the oxidation state of Phosphorus in \(H_3PO_4\)?
The oxidation number of sulphur in $\text{H}_2\text{SO}_4$ is
The oxidation number of sulphur in $\text{H}_2\text{SO}_4$ is}
On addition of small amount of \(KMnO_4\) to concentrated \(H_2SO_4\), a green oily compound is obtained which is highly explosive in nature. Identify the compound from the following.
Which of the following set of ions act as oxidizing agents?
The oxidation state of chromium in ($K_2Cr_2O_7$) is:
What is the oxidation state of sulfur in Marshall's acid, \(H_2S_2O_8\)?
What is the oxidation state of sulfur in Marshall's acid (H$_2$S$_2$O$_8$)?
In which of the compounds does 'manganese' exhibit highest oxidation number?
\( KMnO_4 \) is a:
The oxidation state of Mn in $KMnO_4$ is:
What is the oxidation state of Nickel in \(Ni(CO)_4\)?
In which of the following compound oxygen is in -1 oxidation state?
Chlorine has oxidation number $+7$ in
The oxidation numbers of carbon and hydrogen in methane are respectively
What is the oxidation state of Chlorine in \(Cl_2O_7\)?
What is the oxidation state of Phosphorus in \( H_3PO_4 \)?
Oxidation number of potassium in \( K_{2}O \), \( K_{2}O_{2} \) and \( KO_{2} \), respectively, is:
What is the oxidation state of Phosphorus in \(H_3PO_4\)?
Oxidation state of C and H in CH$_4$ are respectively
What is the difference in the oxidation number of Manganese (Mn) between \( \text{KMnO}_4 \) and \( \text{MnO}_2 \)?
What is the oxidation number of Manganese (Mn) in the compound \( KMnO_4 \)?
Manganese forms oxide and fluoride with highest oxidation state. The difference in the highest oxidation state of Mn in the oxide and fluoride is:
"X" is an oxoanion of the lightest element of group 7 (in the periodic table). The metal is in +6 oxidation state in "X". The color of the potassium salt of X is