MolSynapsequestion bank

MolSynapse / Question bank / Basic Inorganic Nomenclature and Oxidation Number / Peroxides, superoxides and polyatomic ions

NEET levelSingle correct optionDifficulty 1 of 3bn006

What is the oxidation number of oxygen in hydrogen peroxide, $H X_{2} O X_{2}$ (H is $+ 1$ )?

A0
B $- \frac{1}{2}$
C $- 1$
D $- 2$

Answer: C

Two H atoms contribute

+ 2

, so the two O atoms together are

- 2

and each O is

- 1

. This is the characteristic peroxide value.

Practice Basic Inorganic Nomenclature and Oxidation Number More on Peroxides, superoxides and polyatomic ions

Previous questionNext question

More questions on Peroxides, superoxides and polyatomic ions

What is the oxidation number of oxygen in potassium superoxide, KO2 (K is +1)? NEET level
What is the name of the anion ClO4-? NEET level
What is the name of the anion NO2-? NEET level
What is the name of Na2S2O3? NEET level
What is the systematic name of NaHCO3 (hydrogen- prefix for acid salts)? NEET level
Which one of the following is a true peroxide, i.e. contains the ion O2^2- with O at -1? (In the other three the metal is in its +4 state an... JEE Main level