Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Chemistry
Chemistry
Problem
FeSO
4
\text{FeSO}_4
FeSO
4
is used in the brown ring test for a nitrate. What is the oxidation state of Fe in the compound responsible for the brown colour of the ring? a. 0 b. 1 c. +2 d. +3
Browse the problem library