P-Block Elements Ques 607
Question: Iron sulphide is heated in air to form A, an oxide of sulphur. A is dissolved in water to give an acid. The basicity of this acid is
Options:
A) 2
B) 3
C) 1
D) zero
Show Answer
Answer:
Correct Answer: A
Solution:
$ 4FeS+7O_2\to 2Fe_2O_3+4SO_2 $ $ SO_2+H_2O\to H_2SO_3\rightarrow 2{{H}^{+}}+SO_3^{2-} $ It is dibasic
