若向溶有 2.83gX 的溶液中, 加入过量的 BaCl 2 溶液, 可得到 4.66g 白色沉淀 .由此可推出 X 的化学式为()">
首页 > 学历类 > 成考 > 高升专/本 > 理科综合 > 两种硫酸盐按一定比例混合后共熔,可制得化合物 X,X溶于水能电离出K +、Cr 3+、 2 SO4 ,若将 2.83gX 中的 Cr 3+,全部氧化为2Cr2O7
后,溶液中的2Cr2O7可和过量 KI 溶液反应,得到3.81gI2,反应的离子方程为[img src="https://img.haodaxue.net/uploadimg/image/20200512/20200512163414_63706.png" alt="" />若向溶有 2.83gX 的溶液中, 加入过量的 BaCl 2 溶液, 可得到 4.66g 白色沉淀 .由此可推出 X 的化学式为()

两种硫酸盐按一定比例混合后共熔,可制得化合物 X,X溶于水能电离出K +、Cr 3+、 2 SO4 ,若将 2.83gX 中的 Cr 3+,全部氧化为2Cr2O7
后,溶液中的2Cr2O7可和过量 KI 溶液反应,得到3.81gI2,反应的离子方程为[img src="https://img.haodaxue.net/uploadimg/image/20200512/20200512163414_63706.png" alt="" />若向溶有 2.83gX 的溶液中, 加入过量的 BaCl 2 溶液, 可得到 4.66g 白色沉淀 .由此可推出 X 的化学式为()

A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
查看答案
正确答案: C
答案分析:
包含此试题的试卷:
相关的试题
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
A.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272541654853.png" />
B.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272565213982.png" />
C.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272585419427.png" />
D.[img src="http://img.haodaxue.net/uploadimg/ico/2020/0512/1589272603930011.png" />
网站内容收集于网络,如有侵犯您的权益,请联系:gl@lm158.com,感谢您的支持
神奇助手题库网