SO₂Cl₂ decomposes in the Gas Phase by the Reaction SO₂Cl₂

Multiple Choice

SO₂Cl₂ decomposes in the gas phase by the reaction SO₂Cl₂ (g) →SO₂ (g) + Cl₂ (g)
The reaction is first order in SO₂Cl₂ and the rate constant is 3.0 × 10^{- 6} s^{- 1}at 600 K. A vessel is charged with 3.3 atm of SO₂Cl₂ at 600 K. The partial pressure of SO₂ at 3.0 × 10⁵ s is _ _ atm.

A) 2.0
B) 3.7
C) 3.0
D) 2.1
E) 1.3