1.

Consider a first order decomposition process \[{{A}_{3}}\to \frac{3}{2}{{A}_{2}}\] A plot of concentration of \[{{A}_{3}}\] and \[{{A}_{2}}\] versus time is shown below. At time \[{{t}_{A}}\] percentage of reactant decomposed is

A. 75%                 
B. 0.5
C. 40%                 
D. 0.3
Answer» D. 0.3


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