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5. Co-ordination chemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry5. Co-ordination chemistry1 Mark
MCQ
An aqueous solution of potash alum gives
  • A
    Two types of ions
  • B
    Only one type of ion
  • C
    Four 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.

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