Chemistry??

Question

For the following hypothetical reaction:

Y (g) + Z (g) <-> 2A

keq= 4.0* 10^(-2). What is the value of keq for the reaction:

4A (g) <-> 2Y +2Z (g)

1. 25

2. 5.0

3. 0.016

4. 630

Answer 1

Step 1 :

The hypothetical reaction :

For the reaction .

Equilibrium constant for the reaction is .

From the given data : .

Step 2 :

Find for the reaction .

Equilibrium constant for the reaction is .

Thus, the value of is .

Option (4) is the correct choice.

Solution :

Option (4) is the correct choice.