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Chemistry · 2026 · 1 mark
CBSE 2026 · Region 3 · Set 3 · Q11
The half-life periods of decomposition of NH_3 for different initial pressures are given below: The order of the reaction is:
The half-life periods of decomposition of $\displaystyle \mathrm{NH}_{3}$ for different initial pressures are given below :
The order of the reaction is :
| p (torr) | $\displaystyle 704$ | $\displaystyle 75$ | $\displaystyle 34 \cdot 5$ |
| $\displaystyle \mathrm{t}_{1 / 2}(\mathrm{~min})$ | $\displaystyle 80$ | $\displaystyle 80$ | $\displaystyle 80$ |
Official answer
(B)
first order
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