The time required to decompose (SO₂Cl₂) to half of its initial amount is 60 minutes. If the decomposition is a first-order reaction, calculate the rate constant of the reaction.
(a) (0.023) min(⁻¹)
(b) (0.012) min(⁻¹)
(c) (0.015) min(⁻¹)
(d) (0.018) min(⁻¹)