s Block ElementshardMCQ SINGLE

The conversation of hydroxyapatite occurs due to presence of F ions in water. The correct formula ofs Block Elements Chemistry Question

Question

The conversation of hydroxyapatite occurs due to presence of F ions in water. The correct formula of hydroxyapatite is: – 3 4 2 2 2 2 3 4 2 2 3 4 2 2 – 3 4 2 2 3 4 2 2 (A) [3Ca (PO ) .Ca(OH) ] (B) [3Ca(OH) .CaF ] (C) [Ca (PO ) .CaF ] (D) [3Ca (PO ) .CaF ]

Answer: D) [3CA (PO ) .CAF ]

💡 Solution & Explanation

The F ions make the enamel on teeth much harder by converting hydroxyapatite, [3(Ca (PO ) ].Ca(OH) ], the enamel on the surface of the teeth into much harder fluorapatite, [3Ca (PO ) .CaF ].

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