Q68 / 180 · AIIMS 2001 · Chemistry

The composition of carnalite is

  • Correct answer
    A
    $\mathrm{KCl} \cdot \mathrm{MgCl}_2 \cdot 6 \mathrm{H}_2 \mathrm{O}$
  • B
    $\mathrm{Na}_2 \mathrm{Al}_2 \mathrm{O}_3$
  • C
    $\mathrm{Fe}_3 \mathrm{O}_4$
  • D
    $\mathrm{Na}_3 \mathrm{AlF}_6$

Solution

Carnallite is ore of potassium and its formula is $\mathrm{KCl} . \mathrm{MgCl}_2 \cdot 6 \mathrm{H}_2 \mathrm{O}$.

Hence, the correct answer is option: 'A'.

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