关于下列四个图像的说法中正确的是A.图①表示可逆反应CO(g)+H2O

关于下列四个图像的说法中正确的是

A.图①表示可逆反应CO(g)+H2O(g)      CO2(g)+H2(g)中的△H大于0

B.图②是石墨为电极电解氯化钠稀溶液,阴、阳两极产生气体体积之比一定为1:1

C.图③表示25℃,0.1 mol·L-1盐酸滴定20 mL 0.1 mol·L-1 NaOH溶液,pH随加入酸体积的变化

D.图④表示2SO2(g) + O2(g)  2SO3(g)ΔH < 0 正、逆反应平衡常数K随温度的变化

 

答案

D

解析:略

 

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