JEE PYQ: Redox Reactions Question 17
Question 17 - 2019 (10 Jan Shift 1)
Reducing power increases in order (given E° values for Zn, Ca, Mg, Ni):
(1). (Ca < Zn < Mg < Ni)
(2). (Ni < Zn < Mg < Ca)
(3). (Zn < Mg < Ni < Ca)
(4). (Ca < Mg < Zn < Ni)
Show Answer
Answer: (2)
Solution
More negative E° = stronger reducing agent. Ca > Mg > Zn > Ni.