Neet Solved Paper 2013 Question 15
Question: Roasting of sulphides gives the gas X as a by-product. This is a colour less gas with .choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic acts as a reducing agent and its acid has never been insolated. The gas X is
Options:
A) $ {H_2}S $
B) $ S{O_2} $
C) $ C{O_2} $
D) $ S{O_3} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ SO _2 $ gas is obtained when any sulphide ore is roasted.
$ 2M _2S+3O _2\xrightarrow[{}]{{}}2M _2O+\underset{X}{\mathop{2SO _2}}, $
This gas exhibits all the characteristics given in the question.
