已知下列两个反应中：4P（白磷，s）+5O2（g）＝2P2O5（s）△H= －Q1 KJ/mol4P（红磷，s）+5O2（g）＝2P2O5（s）△H= －Q2 KJ/mol且Q1＞Q2，则不正确的是（_刷题宝

题干

已知下列两个反应中：
4P（白磷，s）+5O₂（g）＝2P₂O₅（s）  △H= －Q₁ KJ/mol
4P（红磷，s）+5O₂（g）＝2P₂O₅（s）  △H= －Q₂ KJ/mol
且Q₁＞Q₂，则不正确的是（  ）

A：燃烧白磷放出的能量比燃烧红磷放出的能量多

B：白磷转化为红磷是属于放热反应

C：白磷和红磷互为同素异形体

D：等质量的白磷和红磷，白磷含有的能量比红磷的低

上一题下一题 0.0难度选择题更新时间:2010-05-07 05:07:12

答案(点此获取答案解析）

D

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