Question:
Mohr's salt has the formula
Mohr's salt has the formula
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When studying salts like Mohr's salt, remember that double salts like FeSO\(_4\)(NH\(_4\))\(_2\)SO\(_4\) crystallize with a specific number of water molecules. Mohr's salt contains 6 water molecules of crystallization.
Updated On: Apr 19, 2025
- \( \text{FeSO}_4 \cdot 7\text{H}_2\text{O} \)
- \( \text{FeSO}_4(\text{NH}_4)_2\text{SO}_4 \cdot 6\text{H}_2\text{O} \)
- \( \text{Fe}(\text{SO}_4)_3(\text{NH}_4)_2\text{SO}_4 \cdot 6\text{H}_2\text{O} \)
- \( \text{MgSO}_4 \cdot 7\text{H}_2\text{O} \)
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The Correct Option is B
Solution and Explanation
Mohr's salt is a double salt composed of ferrous sulfate and ammonium sulfate with the formula \( \text{FeSO}_4(\text{NH}_4)_2\text{SO}_4 \cdot 6\text{H}_2\text{O} \). It is a combination of ferrous sulfate (FeSO\(_4\)) and ammonium sulfate ((NH\(_4\))\(_2\)SO\(_4\)) that crystallizes with six molecules of water. This salt is commonly used in laboratory settings for redox reactions and as an iron supplement.
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