A device used to test alcohol in the bloodstream uses the reaction
2 K₂Cr₂O₇(aq) + 8 H₂SO₄(aq) + 3 CH₃CH₂OH(aq) → 2 Cr₂(SO₄)₃(aq) + 2 K₂SO₄(aq) + 3 CH₃COOH(aq) + 11 H₂O
If the rate of disappearance of K₂Cr₂O₇ is 1.24 M/min what is the rate of disappearance of CH₃CH₂OH?

Question

A device used to test alcohol in the bloodstream uses the  reaction
2 K2Cr2O7(aq) + 8 H2SO4(aq) + 3 CH3CH2OH(aq) → 2 Cr2(SO4)3(aq) +  2 K2SO4(aq) + 3 CH3COOH(aq) + 11 H2O
If the rate of disappearance of K2Cr2O7 is 1.24 M/min what is the rate of disappearance of CH3CH2OH?

Accepted Answer

Correct answer: C.

Practice USNCO / General Chemistry questions like this — free