Rules for Assigning Oxidation Number and State
Trending Questions
Q.
What is the oxidation number of phosphorus in phosphoric acid ( H3PO4)?
+5
+3
-3
-5
Q. What is the oxidation number of oxygen in K2O?
(Oxidation number of potassium is +1)
(Oxidation number of potassium is +1)
- -2
Q. The ratio of the oxidation state of P in H3PO3 and H3PO4 is
- 2:5
- 5:2
- 3:5
- 5:3
Q.
Select the options in which the elements given in the square bracket have the same oxidation number.
K[Mn]O4
[Mn]O2
[Mn]2O3
[Mn]2O7
Q.
Oxidation state of H in LiHis
- 1
- -1
- 2
- -2
Q.
The oxidation number of hydrogen is -1 when it combines with non-metals and +1 when it combined with metals.
True
False
Q. The oxidation number of O is in OF2 and in H2O.
- -2
- 2
- -1
- 1
- \N
Q.
The oxidation state of O in OF2is:
-2
+2
-1
+1
Q.
Find the difference in oxidation numbers of sulphur in the (SO4)2− ion and SO3 compound.
- 2
- 0
- -2
- 1
Q. is the actual charge of an atom if it exists as a monoatomic ion.
- Atomic number
- Mass number
- Oxidation number