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Chemistry UTME / JAMB 1994 Halogen Family
In the diagram above, R is a mixture of?
Attached Figure / Diagram
Question diagram
A
potassium tetraxochlorate (VII) and concentrated H2SO4
B
potassium trioxochlorate (V) and concentrated H2SO4
C
potassium tetratoxomanganate (VII) and concentrated HCI
D
manganese (IV) oxide and concentrated HCI