Question
Download Solution PDFWhat is the molecular formula of Calcium Phosphate?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is Ca3(PO4)2
Key Points
- Calcium Phosphate refers to a group of compounds that contain Calcium ions (Ca+2) and inorganic phosphorous anions and is found in milk, bones and teeth.
- It is also called Tricalcium phosphate and appears as a white odourless amorphous or crystalline powder and is tasteless.
- It is insoluble in ethanol and acetic acid but soluble in dilute nitric acid and hydrochloric acid (HCl).
- It can be produced by reacting Phosphoric acid (H3PO4) and solid Calcium Hydroxide (Ca(OH)2).
- The chemical formula of Calcium Phosphate is Ca3(PO4)2. Hence option 3 is correct.
- Calcium phosphate is used as an antacid and dietary supplement in medicine, used as calcium replenishment, as a stabilizer in plastics, manufacturing of milk glass etc.
Additional Information
- Calcium Orthophosphates (CaPO4) are major mineral constituents of bones, and teeth (inorganic) and pathological calcified tissues of mammals.
- They contain three major chemical elements like Calcium, Phosphorous and Oxygen.
- Calcium phosphate makes up the bulk of animal mineral nutrient requirements for filling both body tissues and milk needs.
- The calcium salt of phosphoric acid, calcium phosphate has a wide range of applications. It can be used to protect against strontium and radium radioactive exposure.
- To neutralize the pH value, the phosphate ions in calcium phosphate react with Hydrochloric acid (HCl) in the stomach.
- Calcium phosphate is a source of calcium and phosphate ions that assist dental demineralization and bone homeostasis in toothpaste and systemic circulation.
Last updated on Jul 21, 2025
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