有人设计出利用CH4和O2的反应，用铂电极在KOH溶液中构成原电池。电池的总反应类似于CH4在O2中燃烧，则下列说法不正确的是 （ ）
①在标准状况下，每消耗5．6L CH4可以向外电路提供2mole－
②通过甲烷电极的电极反应式为：CH4+10OH－－8e－=CO32－+7H2O
③通过甲烷的电极为电池的正极，通过氧气的电极为负极
④电池放电后，溶液PH不断升高
| A．①② | B．①③ | C．①④ | D．③④ |
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