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Concentration Terms

How can Calci...

Question

How can Calcium Suphate be produced from Calcium Fluoride?

{C a F}_{2}

+

H_{2} {S O}_{4}

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{C a F}_{2}

+

{S O}_{2}

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C a F_{2} + H_{2} S

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None of these

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Solution

The correct option is A ${C a F}_{2}$ $+$ $H_{2} {S O}_{4}$
Calcium Fluoride is treated with Sulphuric Acid to give Hydrogen Fluoride and a precipitate of Calcium Sulphate. The balanced equation can be written as-
${C a F}_{2}$ $+$ $H_{2} {S O}_{4}$ $=$ $2 H F$ $+$ ${C a S O}_{4}$

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