Contracts

In Illinois, a unilateral contract in real estate is most commonly exemplified by:

AA standard purchase and sale agreement
BAn option contract, where only the optionor is bound; the optionee has the right but not the obligation to purchase✓ Correct
CA listing agreement that binds both parties
DA lease-to-own agreement

Explanation

A unilateral contract is one where only one party makes a promise and the other party is not obligated to perform but may do so to enforce the promise. An option contract is a classic example: the seller (optionor) promises to keep the offer open for a period, and the buyer (optionee) pays option consideration. The buyer has the right (option) to purchase but is not obligated. Standard purchase contracts are bilateral—both parties have obligations.

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