Questions: Question Of the following halide compounds, which is the least soluble in water? Select the correct answer below: calcium chloride lithium chloride magnesium fluoride lithium fluoride

Question Of the following halide compounds, which is the least soluble in water? Select the correct answer below: calcium chloride lithium chloride magnesium fluoride lithium fluoride
Transcript text: Question Of the following halide compounds, which is the least soluble in water? Select the correct answer below: calcium chloride lithium chloride magnesium fluoride lithium fluoride
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Solution

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Solution Steps

Step 1: Understand Solubility of Halide Compounds

Halide compounds are salts formed from halogens and metals. Their solubility in water depends on the nature of the metal and the halogen. Generally, compounds of alkali metals (like lithium) are more soluble than those of alkaline earth metals (like calcium and magnesium).

Step 2: Analyze Each Compound
  1. Calcium Chloride (CaCl\(_2\)): This is highly soluble in water. It is often used for de-icing and as a drying agent.
  2. Lithium Chloride (LiCl): This is also highly soluble in water.
  3. Magnesium Fluoride (MgF\(_2\)): This compound is known for its low solubility in water.
  4. Lithium Fluoride (LiF): While lithium compounds are generally soluble, LiF is an exception and has low solubility in water.
Step 3: Compare Solubility

Among the given compounds, magnesium fluoride (MgF\(_2\)) and lithium fluoride (LiF) are known for their low solubility. However, MgF\(_2\) is particularly noted for being one of the least soluble halides.

Final Answer

The least soluble compound in water among the given options is \(\boxed{\text{magnesium fluoride}}\).

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