Which One of the Following Reagents Is Capable of Transforming

question 76

Multiple Choice

Which one of the following reagents is capable of transforming Fe³⁺ (1 M) to Fe²⁺ (1 M) ?

• A)H₂(1 atm)
• B)NO₃^- (1 M)
• C)O₂(1 atm)
• D)Br^- (1 M)
• E)H⁺ (1 M)