Carnalite has chemical formula
Correct answer: B. KCI.MgCl2.6H20
- A. KCl
- B. KCI.MgCl2.6H20
- C. Na2BrO7.10H2O
- D. CaCO3.MgCO3
Explanation
KCl: While potassium chloride (KCl) is a common compound, it is not carnalite.Na2BrO7.10H2O: This is the formula for sodium bromate decahydrate, not carnalite.CaCO3.MgCO3: This is the formula for dolomite, another mineral compound different from carnalite.KCl.MgCl2.6H2O: This is the accurate formula for carnalite, a hydrated potassium magnesium chloride mineral. It contains potassium chloride (KCl), magnesium chloride (MgCl2), and six water molecules (6H2O).Therefore, based on the chemical composition, option (b) is the only one that correctly represents the formula of carnalite
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The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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