MHT CET · Chemistry · Chemical Kinetics
Which of the following is an example of first order reaction?
- A \(2 \mathrm{NH}_3(\mathrm{~g}) \rightarrow \mathrm{N}_2(\mathrm{~g})+3 \mathrm{H}_2(\mathrm{~g})\)
- B \(2 \mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow 2 \mathrm{H}_2 \mathrm{O}(\mathrm{l})+\mathrm{O}_2(\mathrm{~g})\)
- C \(4 \mathrm{PH}_3 \stackrel{\mathrm{W}}{\longrightarrow} \mathrm{P}_4+6 \mathrm{H}_2(\mathrm{~g})\)
- D \(2 \mathrm{~N}_2 \mathrm{O}(\mathrm{g}) \stackrel{\mathrm{Pt}}{\longrightarrow} 2 \mathrm{~N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g})\)
Answer & Solution
Correct Answer
(D) \(2 \mathrm{~N}_2 \mathrm{O}(\mathrm{g}) \stackrel{\mathrm{Pt}}{\longrightarrow} 2 \mathrm{~N}_2(\mathrm{~g})+\mathrm{O}_2(\mathrm{~g})\)
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