JEE Mains · Chemistry · STD 12 - 3. Chemical kinetics
The reaction \(2N_2O_5\,(g) \to 4NO_2\,(g) + O_2\,(g)\) follows first order kinetics. The pressure of a vessel containing only \(N_2O_5\) was found to increase from \(50\,mmHg\) to \(87 .5\,mmHg\) in \(30\,min.\) The pressure exerted by the gases after \(60\,min.\) will be .......... \(mmHg\) (assume temperature remains constant)
- A \(106.25\)
- B \(150\)
- C \(125\)
- D \(116.25\)
Answer & Solution
Correct Answer
(A) \(106.25\)
Step-by-step Solution
Detailed explanation
\((a)\) Rate law forr first order reaction \(=\,k[N_2O_5]\) \(2{{N}_{2}}{{O}_{5}}\,(g)\,\to \,4N{{O}_{2}}\,(g)\,+\,{{O}_{2}}(g)\) \(\mathop {t = 0\,\,\min }\limits_{(\Pr essure\,\,\,in\,\,\,mm\,\,\,Hg)} \) \(50\) \(0\) \(0\)…
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