Environmental Chemistry Question 73
Question: Consider the following diseases from which human being are suffered,
(I) Asthma
(II) Dyspepsia
(III) Bronchitis
(IV) Emphysema
Diseases due to $ SO_2 $ are
Options:
A) I, III and IV
B) II, III and IV
C) I, II and III
D) Both I and IV
Show Answer
Answer:
Correct Answer: A
Solution:
[a] Even low concentration of $ SO_2 $ causes respiratory diseases as asthma, bronchitis, emphysema in human beings. Note: Irritation in eyes is also due to $ SO_2 $ . Under high concentration of $ SO_2 $ , plants are affected and flowers fall off from plants. They are also decolourised due to reduction $ SO_2+2H_2O\to H_2SO_4+2H $ Nascent [H] causes reduction and colour fades.