Home / Chemistry / Question
MCQ
What is the oxidation state of Fe in Fe2O3?
Chemistry
A +2
B +3
C +4
D +6
Explanation

In Fe2O3: 2(Fe) + 3(-2) = 0, so 2Fe = 6, Fe = +3.

Related MCQs

The colour of precipitate when NaOH is added to FeCl3:
Chemistry View
Which is a reducing agent?
Chemistry View
Which quantum number describes the shape of an orbital?
Chemistry View
What is the hybridization of boron in BF3?
Chemistry View
The shape of ammonia (NH3) is:
Chemistry View
In the Nernst equation E = E0 - (RT/nF)lnQ, what happens to the cell potential when the reaction quotient Q increases?
Chemistry View