p-Block elementsHard
Question
Alum is found to contain hydrated monovalent cation [M(H2O)6]+, trivalent cation [M′(H2O)6]3+ and SO42- in the ratio of :
Options
A.1 : 1 : 1
B.1 : 2 : 3
C.1 : 3 : 2
D.1 : 1 : 2
Solution
Formula of alums contain the ions [M(H2O)6]+, [M′(H2O)6]3+ and SO42- in the ratio 1 : 1 : 2.
Example : (i) Potash alum K2SO4 . Al2(SO4)3. 24H2O ; (ii) Chrome alum K2SO4. Cr2(SO4)3. 24H2O
Example : (i) Potash alum K2SO4 . Al2(SO4)3. 24H2O ; (ii) Chrome alum K2SO4. Cr2(SO4)3. 24H2O
Create a free account to view solution
View Solution FreeMore p-Block elements Questions
When an article is bleached by SO2 it loses its colour. The colour can be restored by :...Which of the following statements is not valid for oxoacids of phosphorus ?...Me2SiCl2 (A) (B).The nature of product (B) may be...When zeolite, which is hydrated sodium aluminium silicate, is treated with hard water, the sodium ions are exchanged wit...Diborane reacts with water to form :...