In which of the following does the reaction go almost to completion ?

In which of the following case does the reaction go farthest to completion?

In of the following case does the reaction go farthest to completion ?

In which of the following cases, does the reaction go fastest to completion ?

In which of the following case, does the reaction go farthest to completion ?

In which of the following case, does the reaction go farthest to completion ?

For which of the following cases does the reaction go farthest to completion K=1 , k=10^(10), K=1^(-10) ?

For which of the following cases does the reaction go farthest to completion K=1 , k=10^(10), K=1^(-10) ?

In which of the following cases, the reaction goes farthest to completion?