Analytical ChemistryHard
Question
In which of the following pairs the precipitates are red and black coloured respectively and both precipitates are soluble in excess KI solution ?
Options
A.HgI2, Hg2I2
B.HgI2, BiI3
C.Cu2I2, AgI
D.CdI2, PbI2
Solution
HgI2 ↓ (red) + 2I- → [HgI4]2- (soluble colourless complex) ; BiI3 ↓ (black) + I- → [BiI4]- (soluble orange complex).
Create a free account to view solution
View Solution FreeMore Analytical Chemistry Questions
Which of the following solutions give white precipitate with Pb(NO3)2 as well as with Ba(NO3)2 ?...If one strand of DNA has the sequence ATCGTATG, the sequence in the complementary strand would be :...Colourless salt (A) + dil. H2SO4 or CH3COOH + Kl → blue colour with starch. (A) can be...Which of the following statement(s) is/are correct ?...Bond order of 1.5 is shown by...