Question

For the reaction, A(g) + 2B $\to$ C(g) + D(g)
$\frac{dx}{dt}=k\left[A\right][B{]}^2$
Initial pressure of A and B are respectively 0.60 atm and 0.80 atm. At a time when pressure of C is 0.20 atm, rate of reaction, relative to the initial value is

• A. $\frac{1}{6}$
• B. $\frac{1}{48}$
• C. $\frac{1}{4}$
• D. $\frac{1}{24}$

Answer 1

The correct option is A $\frac{1}{6}$

$A+2B\to C+d0.60.8000.6-0.20.8-0.40.20.2\frac{R_f}{R_i}=\frac{0.4\times {0.4}^2}{0.6\times {0.8}^2}=\frac{1}{6}$