Question
Question: Which of the following metals cannot be obtained by reduction of its metal oxide by aluminium?...
Which of the following metals cannot be obtained by reduction of its metal oxide by aluminium?
A
Cr
B
Mn
C
Fe
D
Mg
Answer
Mg
Explanation
Solution
Since reduction potential of Al is more than that of Mg and less than other given metals. So it cannot reduce Mg from its oxide.