Question

The equilibrium constants for the following two reactions at 298k are given below:
2A ⇋ B+C; K1 =16
2B + C ⇋ 2X; K2 = 25
What is the value of k for the reaction, $A+\frac{1}{2}B \rightleftharpoons X$ at 298K?

• A. $\frac{1}{5}$
• B. $\frac{1}{40}$
• C. $\frac{5}{4}$
• D. $\frac{4}{5}$
• E. 20

Answer 1

Answer: (E)

20

Answer 2

The correct option is (E) : 20