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Chemistry · 2024 · 2 marks
CBSE 2024 · Region 1 · Set 3 · Q19
For a chemical reaction R → P, the variation in the concentration [ R ] vs time t plot is given as: (a) Predict the order of the reaction and write…
For a chemical reaction $\displaystyle \mathrm{R} \rightarrow \mathrm{P}$, the variation in the concentration $\displaystyle [\mathrm{R}]$ vs time t plot is given as :
(a)
Predict the order of the reaction and write the unit of rate constant
(k) for this order of reaction.
(b)
What is the slope of the curve ?
Marking-scheme solution
a) Zero order, \(\displaystyle \mathrm{mol} \mathrm{L}^{-1} \mathrm{~s}^{-1}\) or \(\displaystyle \mathrm{mol} \mathrm{L}^{-1} \mathrm{t}^{-1}\)
b) -K
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CBSE Class 12 Chemistry past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.