SATHEE: Redox Reactions - Result Question 2

Redox Reactions - Result Question 2

####2. Which of the following involves a redox reaction?

(a) Reaction of $H_{2} S O_{4}$ with $N a O H$ [1997]

(b) Production of ozone from oxygen in the atmosphere by lightning

(d) Evaporation of water

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Solution:

(b) ${\overset{0}{O}}_{2} \overset{Light}{\to} 2 {\overset{0}{O}}_{3}$ (not redox reaction)

(c) $\underset{0}{N_{2}} + \underset{0}{O_{2}} \overset{Light}{\to} \underset{+ 2 - 2}{2 N O}$ (redox reaction) here oxidation of $N_{2}$ & reduction of $O_{2}$ is taking place

(d) $H_{2} O$ (l) $\overset{Δ}{\to} H_{2} O$ (g) (not redox reaction)

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Redox Reactions - Result Question 2

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