下列反应方程式的书写正确的是                    (  ) A

下列反应方程式的书写正确的是                    (  )

A.金属铁溶于盐酸中:2Fe+6H+=2Fe3++3H2

B.N2+O2NO2

C.向AlCl3溶液中加入过量NaOH溶液:AlCl3+3NaOH=Al(OH)3↓+3NaCl

D.2Na+O2Na2O2

 

答案

D

解析:略

 

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