①用惰性电极电解硫酸铜溶液时,阳极上氢氧根离子放电生成氧气、阴极上铜离子放电生成Cu,离子方程式为2Cu
2++2H
2O
2Cu+O
2↑+4H
+,故答案为:2Cu
2++2H
2O
2Cu+O
2↑+4H
+;
②加热条件下,实验室用浓盐酸和二氧化锰制取氯气,二者反应生成氯化锰、氯气和水,离子方程式为MnO
2+4H
++2Cl
-Mn
2++Cl
2↑+2H
2O,故答案为:MnO
2+4H
++2Cl
-Mn
2++Cl
2↑+2H
2O;
③该物质和溴水发生取代反应和加成反应,反应方程式为
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6c224f4a20a4462364f75bd39b22720e0cf3d746?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
,故答案为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/6c224f4a20a4462364f75bd39b22720e0cf3d746?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
;
④在浓硫酸作催化剂、加热条件下,二者发生缩聚反应,反应方程式为
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d788d43f8794a4c279d7189a0df41bd5ac6e398e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
,故答案为:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d788d43f8794a4c279d7189a0df41bd5ac6e398e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
.