MCQ
An aqueous solution of potash alum gives
- ATwo types of ions
- BOnly one type of ion
- CFour types of ions
- ✓Three types of ions
✓
Answer
Correct option: D.
Three types of ions
d
(d)Potash alum is a mixed salt of ${K_2}S{O_4}$ and $A{l_2}{(S{O_4})_3}$ and on dissolving, it gives all three ion $A{l^{3 + }},\,{K^ + }$ and $SO_4^{2 - }$ of which it is made.
(d)Potash alum is a mixed salt of ${K_2}S{O_4}$ and $A{l_2}{(S{O_4})_3}$ and on dissolving, it gives all three ion $A{l^{3 + }},\,{K^ + }$ and $SO_4^{2 - }$ of which it is made.
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