Consider the following graph:

The point that represents reaction in equilibrium is:

1. C

2. A

3. B

4. D

The concentration vs time graph for the Haber process is given below:

Which of the following curves represents the hydrogen gas?`

1. Y

2. Z

3. X

4. In the Haber process, hydrogen gas is not used

In the reaction \(\mathrm{H}_2+\mathrm{I}_2 \rightleftharpoons 2 \mathrm{HI}\), \(\mathrm{H}_2\) has been added at equilibrium, as depicted in the following graph:

The point that represents the re-established equilibrium is:

1. A

2. B

3. C

4. None of the above.

Match the following equilibria with the corresponding condition.

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