AP EAMCET · Chemistry · s Block Elements
The enamel present on teeth becomes much harder due to the conversion of \(\left[3 \mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2, \mathrm{X}\right]\) into \(\left[3 \mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2, \mathrm{Y}\right]\). What are X and Y ?
- A \(\mathrm{X}=\mathrm{Ca}(\mathrm{OH})_2, \mathrm{Y}=\mathrm{CaF}_2\)
- B \(\mathrm{X}=\mathrm{Ca}(\mathrm{OH})_2, \mathrm{Y}=\mathrm{CaCl}_2\)
- C \(\mathrm{X}=\mathrm{Ca}(\mathrm{OH})_2, \mathrm{Y}=\mathrm{NaCl}\)
- D \(\mathrm{X}=\mathrm{CaO}, \mathrm{Y}=\mathrm{CaCl}_2\)
Answer & Solution
Correct Answer
(A) \(\mathrm{X}=\mathrm{Ca}(\mathrm{OH})_2, \mathrm{Y}=\mathrm{CaF}_2\)
Step-by-step Solution
Detailed explanation
Calcium phosphate hydroxy apatite.…
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