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  • Chemistry (Engineering Entrance)
  • Which of the following is known as Pseudo Alum?
Multiple choice

Which of the following is known as Pseudo Alum?

  1. KMn(SO4)2. 12H2O

  2. KCr(SO4)2. 12H2O

  3. NH4Fe(SO4)2. 12H2O

  4. FeSO4.Al2(SO4)3. 24H2O

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

  Pseudo alum has the general formula MIISO4. M2III (SO4)3. 24H2O. So on  comparing we get FeSO4.Al2(SO4)3.24H2O is pseudo alum.

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