Iron sulphide on combustion forms an oxide of sulphur which is dissolved in water to give an acid. The basicity of this acid is
A. 2
B. 3
C. 1
D. zero

4 views

1 Answers

Correct Answer - A
`4FeS_2 + 11O_2 to 2Fe_2O_3 + 8SO_2`
`2SO_2 + O_2 to 2SO_3 `
`SO_3 + H_2O to H_2SO_4 ` Dibasic acid

4 views

Related Questions