Question

What are the metal ions present in carnallite ?

• A. Mg, K
• B. Al, Na
• C. Na, Mg
• D. Zn, Mg

Answer 1

Answer: (A)

Formula of carnallite is $KCl\cdot MgC{l}_2\cdot 6H_{2}O$ so, carnallite contains $K$ and $Mg$.