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



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