Chemistry-
General
Easy
Question
In which of the following pairs the precipitates are red and black coloured respectively and both precipitates are soluble in excess KI solution ?
- HgI2 , Hg2 I2
- HgI2 , BiI3
- Cu2 I 2 , AgI
- CdI2 , PbI2
The correct answer is: HgI2 , BiI3
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