白磷与氧可发生如下反应:P4+5O2=P4O10。   已知断裂下列化学键需要

白磷与氧可发生如下反应:P4+5O2=P4O10   已知断裂下列化学键需要吸收的能量分别为:PP akJ·mol1PO bkJ·mol1P=O ckJ·mol1O=OdkJ·mol1。根据图示的分子结构和有关数据估算该反应的△H,其中正确的是 

A、(6a+5d4c12bkJ·mol1    

B、(4c+12b6a5dkJ·mol1

C、(4c+12b4a5dkJ·mol1    D、(4a+5d4c12bkJ·mol1  

答案

A

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