配平:___Cu(2+) +___I(-)==___CuI+____I3(-) I3 3是下角码求思路

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配平:___Cu(2+) +___I(-)==___CuI+____I3(-) I3 3是下角码求思路

配平:___Cu(2+) +___I(-)==___CuI+____I3(-) I3 3是下角码求思路
配平:___Cu(2+) +___I(-)==___CuI+____I3(-) I3 3是下角码
求思路

配平:___Cu(2+) +___I(-)==___CuI+____I3(-) I3 3是下角码求思路
I3-是单质碘和一个I-离子的结合
Cu2+ + I- ==CuI +I3 -
1、先标出化合价升降:
+2 -1 +1 0
Cu2+ + I- ==CuI +I3 -
降1 升1*2
2、用最小公倍数配平氧化还原部分:
2 Cu2+ + I- = CuI + I3-
3、用观察法配平其它原子:
2 Cu2+ + 5 I- = 2 CuI + I3-

是的。
我还做过有跌氮化物,N3 -。3是下表

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