Correct Answer: Misfortune

Solution : The correct choice is the second option.

Serendipity refers to the occurrence of fortunate or pleasant discoveries or experiences by chance, often when searching for something entirely different.

Misfortune describes an unfortunate event, situation, or occurrence that brings distress, hardship, or adversity.

The meanings of the other options are as follows:

• Tangibility refers to the quality or state of being tangible, which means capable of being touched, felt, or perceived physically.
• Permanency represents the quality or state of being permanent, enduring, or lasting for a long time without change.
• Tranquillity refers to a state of calmness or peace. It denotes a serene and peaceful environment or a peaceful state of mind, free from disturbance or agitation.