摘要:13.已知2NaZ+W2 = 2 NaW + Z2 .2NaX + Z2 = 2NaZ + X2 2NaY + X2 = 2NaX + Y2 则X2.Y2.Z2.W2四种物质的氧化性强弱比较正确的是 A.X2>Y2>Z2>W2 B.Y2<X2<Z2<W2 C.Y2 >X2>W2>Z2 D.X2>Z2>Y2>W2

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