d and f-Block ElementsHard
Question
A red solid is insoluble in water. However it becomes soluble if some KI is added to water. Heating the red solid in a test tube results in liberation of some violet coloured fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is
Options
A.HgI2
B.HgO
C.Pb3O4
D.(NH4)2Cr2O7
Solution
HgI2 + KI → K2HgI4
(insoluble) (soluble)
On heating HgI2 decomposes as HgI2 ⇋ Hg + I2
(insoluble) (soluble)
On heating HgI2 decomposes as HgI2 ⇋ Hg + I2
Create a free account to view solution
View Solution FreeMore d and f-Block Elements Questions
Which can not gives chromyl chloride test :-...Consider the following statements about manganate and permanganate ions. Identify the correct statements :A. The geometr...Which ore contains both iron and copper :-...${MnO}_{4}^{2 -}$, in acidic medium, disproportionates to :...Upon heating with Cu2S, the reagent(s) that give copper metal is/are...