摘要:若用X代表F.Cl.Br.I四种卤族元素.下列属于它们共性反应的是-------------------------------------------------------------------------------------------------(A) A.X2+H2 == 2HX B.X2+H2O == HX+HXO C.2Fe+3X2 == 2FeX3 D.X2+2NaOH == NaX+NaXO+H2O

网址:http://m.1010jiajiao.com/timu3_id_328581[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网