單項(xiàng)選擇題

電極反應(yīng),Al3++3e-=Al,φ0=-1.66V,推測(cè)電極反應(yīng)3Al-6e-=2Al3+的標(biāo)準(zhǔn)電極電勢(shì)是()

A.-3.32V
B.1.66V
C.-1.66V
D.3.32V