D-And F-Block Elements Ques 57
Question: Which of the following metals corrodes readily in moist air
[CPMT 1972, 82; CBSE PMT 1989]
Options:
A) Gold
B) Silver
C) Nickel
D) Iron
Show Answer
Answer:
Correct Answer: D
Solution:
Iron; $ Fe+H_2O/{{H}^{+}},\to ,Fe_2O_3.xH_2O $