Question

Rainwater having a pH of less than 5.6 is considered as acidic rainwater. Dissolution of CO$_2$ in rainwater brings down the pH of rainwater from 7 to 5.6 under natural environmental conditions. Which of the following is most appropriate?

• A. Both (A) and (R) are correct and (R) is the correct explanation of (A)
• B. Both (A) and (R) are correct but (R) is not the correct explanation of (A)
• C. (A) is correct but (R) is not correct
• D. (A) is not correct but (R) is correct

Hint:

Normal rainwater pH $\approx$ 5.6 due to dissolved CO$_2$. Acid rain $<$ 5.6 due to SO$_2$ and NO$_x$ from anthropogenic sources.

Answer 1

The Correct Option is B