下列反应中,通入的气体物质只作为氧化剂的是(     )A.二氧

下列反应中,通入的气体物质只作为氧化剂的是(     )

A.二氧化硫通入氯水溶液中           B.氯气通入氢氧化钠溶液中

C.氯气通入氯化亚铁溶液中           D.二氧化氮通入水中

【解析】氯水具有氧化性,能氧化SO2,SO2是还原剂。氯气和氢氧化钠反应,氯气既是氧化剂,又是还原剂。二氧化氮通入水中,NO2也是既作氧化剂又作还原剂。氯气通入氯化亚铁溶液中,氯气作氧化剂,氧化亚铁离子。答案选C。

 

答案

C

 

相关题目

陈独秀、李大钊、鲁迅等为代表的激进民主主义者掀起的新
陈独秀、李大钊、鲁迅等为代表的激进民主主义者掀起的新文化运动是为了(    )   A.宣传马克思主义                           B.提
What has your uncle bought ___ you? Will you please show it ___ me? A. to, for 
What has your uncle bought ___ you? Will you please show it ___ me? A. to, for   B. for, to    C. to, to     D. for, for
Nancy enjoyed herself so much ________ she visited her friends in Sydney last ye
Nancy enjoyed herself so much ________ she visited her friends in Sydney last year. A.that         B.since           C.when          D.where
已知集合, 且, 则的取值范围是                    
已知集合, 且, 则的取值范围是                                                  (    )   A.{z∈R |27≤z≤36}      B.{z∈N |27
The plane ________ when I arrived  at the airport.  A.have gone
The plane ________ when I arrived  at the airport.  A.have gone     B.went      C.had gone   D.is going
女娄菜的叶形有披针形和狭披针形之分,已知其披针叶雌株
女娄菜的叶形有披针形和狭披针形之分,已知其披针叶雌株与狭披针叶雄株杂交,子一代全为披针叶,子一代中的披针叶植株之间杂交,所得子二代雌
过直线上的一点作圆的两条切线,当直线关于对称时,它们之
过直线上的一点作圆的两条切线,当直线关于对称时,它们之间的夹角为(       ) A.30°        B.45°         C.60°           D.90°
You may think the days of childhood would rank as most people’s happiest. But
You may think the days of childhood would rank as most people’s happiest. But, in fact, men are happiest at 40 while women are most satisfied at 38 when they are fit and healthy and have good fri

最新题目