The conversion of hydroxyapatite occurs due to presence of F- ions in water. The correct formula of hydroxyapatite is:

Option 1 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mrow> <mo>[</mo> <mrow> <mi>C</mi> <msub> <mrow> <mi>a</mi> </mrow> <mrow> <mn>3</mn> </mrow> </msub> <msub> <mrow> <mrow> <mo>(</mo> <mrow> <mi>P</mi> <msub> <mrow> <mi>O</mi> </mrow> <mrow> <mn>4</mn> </mrow> </msub> </mrow> <mo>)</mo> </mrow> </mrow> <mrow> <mn>2</mn> </mrow> </msub> <mo>.</mo> <mi>C</mi> <mi>a</mi> <msub> <mrow> <mi>F</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> <mo>]</mo> </mrow> </mrow> </math> </span></p>
Option 2 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mrow> <mo>[</mo> <mrow> <mn>3</mn> <mi>C</mi> <msub> <mrow> <mi>a</mi> </mrow> <mrow> <mn>3</mn> </mrow> </msub> <msub> <mrow> <mrow> <mo>(</mo> <mrow> <mi>P</mi> <msub> <mrow> <mi>O</mi> </mrow> <mrow> <mn>4</mn> </mrow> </msub> </mrow> <mo>)</mo> </mrow> </mrow> <mrow> <mn>2</mn> </mrow> </msub> <mo>.</mo> <mi>C</mi> <mi>a</mi> <msub> <mrow> <mrow> <mo>(</mo> <mrow> <mi>O</mi> <mi>H</mi> </mrow> <mo>)</mo> </mrow> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> <mo>]</mo> </mrow> </mrow> </math> </span></p>
Option 3 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mrow> <mo>[</mo> <mrow> <mn>3</mn> <mi>C</mi> <msub> <mrow> <mi>a</mi> </mrow> <mrow> <mn>3</mn> </mrow> </msub> <msub> <mrow> <mrow> <mo>(</mo> <mrow> <mi>P</mi> <msub> <mrow> <mi>O</mi> </mrow> <mrow> <mn>4</mn> </mrow> </msub> </mrow> <mo>)</mo> </mrow> </mrow> <mrow> <mn>2</mn> </mrow> </msub> <mo>.</mo> <mi>C</mi> <mi>a</mi> <msub> <mrow> <mi>F</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> <mo>]</mo> </mrow> </mrow> </math> </span></p>
Option 4 - <p><span class="mathml" contenteditable="false"> <math> <mrow> <mrow> <mo>[</mo> <mrow> <mn>3</mn> <mi>C</mi> <mi>a</mi> <msub> <mrow> <mrow> <mo>(</mo> <mrow> <mi>O</mi> <mi>H</mi> </mrow> <mo>)</mo> </mrow> </mrow> <mrow> <mn>2</mn> </mrow> </msub> <mo>.</mo> <mi>C</mi> <mi>a</mi> <msub> <mrow> <mi>F</mi> </mrow> <mrow> <mn>2</mn> </mrow> </msub> </mrow> <mo>]</mo> </mrow> </mrow> </math> </span></p>
2 Views|Posted 6 months ago
Asked by Shiksha User
1 Answer
V
6 months ago
Correct Option - 2
Detailed Solution:

Hydroxyapatite is the calcium minerals whose molecular formula is 3 C a 3 ( P O 4 ) 2 . C a ( O H ) 2  or C a 1 0 ( P O 4 ) 6 ( O H ) 2 .  During contact with water dissolved F ion, hydroxyapatite converted into  3 C a 3 ( P O 4 ) 2 . C a F 2 .

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Chemistry Ncert Solutions Class 11th 2023

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