Answer : 2. "Condemn"
Explanation :

The word "exonerate" means to clear someone from blame or guilt. The most opposite in meaning to "exonerate" would be a word that implies assigning blame or guilt.

Here’s the meaning of each option:

Absolve: To declare someone free from blame or guilt, similar to "exonerate".

Condemn: To express complete disapproval or assign guilt or blame, which is the opposite of "exonerate".

Pardon: To forgive or excuse an offense, similar to "exonerate".

Liberate: To set someone free from restrictions, not necessarily related to blame or guilt.

So, the correct answer is:

B) Condemn