Which of the following metals corrodes readily in moist air?
A.
Gold
B.
Silver
C.
Nickel
D.
Iron
Answer :
Iron
Solution :
Iron corrodes readily in moist air because iron is more reactive than $$Ni, Au$$ and $$Ag.$$ In other words the reduction potential of iron is very less, so its oxidation takes place readily.
Releted MCQ Question on Inorganic Chemistry >> D and F Block Elements
Releted Question 1
When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is