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Question: Answered & Verified by Expert
What are the metal ions present in carnallite?
ChemistryGeneral Principles and Processes of Isolation of MetalsAP EAMCETAP EAMCET 2006
Options:
  • A $\mathrm{Mg}, \mathrm{K}$
  • B $\mathrm{Al}, \mathrm{Na}$
  • C $\mathrm{Na}, \mathrm{Mg}$
  • D $\mathrm{Zn}, \mathrm{Mg}$
Solution:
2957 Upvotes Verified Answer
The correct answer is: $\mathrm{Mg}, \mathrm{K}$
Formula of carnallite is $\mathrm{KCl} \cdot \mathrm{MgCl}_2 \cdot 6 \mathrm{H}_2 \mathrm{O}$ so, carnallite contains $\mathrm{K}$ and $\mathrm{Mg}$.

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