單項選擇題

對于反應(yīng):BrO3-+6I-+6H+=Br-+3I2+3H2O
已知φθ(BrO3-/Br-)=1.44V,φθ(I2/I-)=0.55V,
則此反應(yīng)平衡常數(shù)(25℃)的對數(shù)(lgK)為()

A.(1.44-0.55)/0.059
B.3×(1.44-0.55)/0.059
C.2×6×(1.44-0.55)/0.059
D.6×(1.44-0.55)/0.059


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