In which of the following pairs the precipitates are red and black coloured respectively…
Chemistry · JEE Main · NTA Exams — d- and f-Block Elements
In which of the following pairs the precipitates are red and black coloured respectively and both precipitates are soluble in excess KI solution ?
- HgI2, Hg2I2
- HgI2 , BiI3
- Cu2I2, AgI
- CdI2, PbI2
Answer
(B) HgI 2 , BiI 3
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