Environmental Chemistry Question 73
Consider the following diseases from which humans are suffered,
(I)  Asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways, leading to symptoms such as wheezing, shortness of breath, chest tightness, and coughing. It is often triggered by allergens, irritants, or physical activity, and management typically involves medication and avoidance of triggers.
(II)  Dyspepsia
(III)  Bronchitis     
(IV)  Emphysema
Diseases due to  $ SO_3 $  are
Options:
A) I, II, III and IV
B) II, III, and IV
C) I, II, and III
D) Both I and III
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.
 BETA
  BETA 
             
             
           
           
           
          