MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Write the balanced half- equations and add the half-equations, to give the ionic equation for the reaction given below.

Bromine displaces iodine from a solution of potassium iodide.

Important Questions on Redox Reactions

EASY
Upper Secondary: IGCSE
IMPORTANT

Explain the term oxidation state.

EASY
Upper Secondary: IGCSE
IMPORTANT
What is the usual oxidation state of hydrogen in its compounds?
EASY
Upper Secondary: IGCSE
IMPORTANT
What is the usual oxidation state of oxygen, in its compounds?
EASY
Upper Secondary: IGCSE
IMPORTANT
What is the usual oxidation state of aluminium, in their compounds?
EASY
Upper Secondary: IGCSE
IMPORTANT
What is the usual oxidation state of sodium and other Group I metals?
EASY
Upper Secondary: IGCSE
IMPORTANT
What is the usual oxidation state of calcium and other Group II elements, in their compounds?
EASY
Upper Secondary: IGCSE
IMPORTANT
What is the usual oxidation state of chlorine and other Group  VII elements, in their compounds?
EASY
Upper Secondary: IGCSE
IMPORTANT
The sum of oxidation states of all the atoms in H2SO4 is _____.