Explanation:

- An agreement with free consent is entered into without coercion, undue influence, fraud, misrepresentation, or mistake.

- Option 1: Valid

- An agreement with free consent is valid and enforceable by law.

- Option 2: Void

- An agreement is void if it is not enforceable by law.

- Lack of free consent can lead to a contract being void in some cases, but not directly related.

- Option 3: Voidable

- An agreement is voidable if one party's consent was not free, enabling them to void it.

- Option 4: Illegal

- An illegal agreement is one that involves an unlawful act and is unenforceable.