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What is the solubility order of fluorides for alkaline earth metals?
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What is the solubility order of fluorides for alkaline earth metals?
Solubility Order of Fluorides for Alkaline Earth Metals
- Beryllium Fluoride (BeF2)
- Beryllium fluoride is highly soluble in water.
- The high charge density of Be2+ ion leads to strong electrostatic attraction with F- ion, resulting in the high solubility of BeF2 in water.
- Magnesium Fluoride (MgF2)
- Magnesium fluoride is sparingly soluble in water.
- The charge density of Mg2+ ion is lower than that of Be2+ ion, leading to weaker electrostatic attraction with F- ion and lower solubility of MgF2 in water.
- Calcium Fluoride (CaF2)
- Calcium fluoride is insoluble in water.
- The larger size of Ca2+ ion leads to weaker electrostatic attraction with F- ion, resulting in the low solubility of CaF2 in water.
- Strontium Fluoride (SrF2)
- Strontium fluoride is slightly soluble in water.
- The size of Sr2+ ion is larger than that of Mg2+ ion but smaller than that of Ca2+ ion, leading to intermediate solubility of SrF2 in water.
- Barium Fluoride (BaF2)
- Barium fluoride is insoluble in water.
- The larger size of Ba2+ ion leads to weaker electrostatic attraction with F- ion, resulting in low solubility of BaF2 in water.
In conclusion, the solubility order of fluorides for alkaline earth metals is:
BeF2 > MgF2 > SrF2 > CaF2 > BaF2
Community Answer
What is the solubility order of fluorides for alkaline earth metals?
BeF2 is very soluble in water due to the high hydration energy of the small Be+2ion. The other fluorides (MgF2, CaF2, SrF2 and BaF2) are almost insoluble in water. Since on descending the group lattice energy decreases more rapidly than the hydration energy. Therefore whatever little solubility these fluorides have that increase down the group.
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What is the solubility order of fluorides for alkaline earth metals?
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What is the solubility order of fluorides for alkaline earth metals? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the solubility order of fluorides for alkaline earth metals? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the solubility order of fluorides for alkaline earth metals?.
What is the solubility order of fluorides for alkaline earth metals? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the solubility order of fluorides for alkaline earth metals? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the solubility order of fluorides for alkaline earth metals?.
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