8
Given below are two statements
Statement (I) : When the chlorine oxide reacts with ozone, the ozone concentration is reduced in the stratosphere
Statement (II) : The polar vortex is illuminated by the sun
In light of the above statements, choose the most appropriate answer from the options given below.
EXPLANATION
Soil Contamination
- Chlorine Hydrolysis Chemistry: When chlorine gas ($\text{Cl}_2$) dissolves in water, it hydrolyzes almost instantaneously to form hypochlorous acid ($\text{HOCl}$) and hydrochloric acid:
Hypochlorous acid then partially dissociates based on water $\text{pH}$:
$$\text{HOCl} \rightleftharpoons \text{H}^+ + \text{OCl}^-$$- Disinfection Efficacy: Hypochlorous acid ($\text{HOCl}$) is electrically neutral and lipophilic, allowing it to rapidly penetrate negatively charged bacterial cell walls and membranes (roughly 80 to 100 times more germicidal than the negatively charged hypochlorite ion, $\text{OCl}^-$).
- Conclusion: Both Statement (I) and Statement (II) are correct.
Correct option: (1) Both Statement (I) and Statement (II) are true.
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