At 25°C, the Second-Order Reaction NOCl(g) $\rarr$ NO(g)+ ¹/₂Cl₂(g) is 50% Complete After 5

question 99

Multiple Choice

At 25°C, the second-order reaction NOCl(g) $\rarr$ NO(g) + ¹/₂Cl₂(g) is 50% complete after 5.82 hours when the initial concentration of NOCl is 4.46 mol/L.How long will it take for the reaction to be 75% complete?

• A)8.22 hr
• B)11.6 hr
• C)15.5 hr
• D)17.5 hr
• E)23.0 hr

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