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What happens when (i) Concentrated H2 ...

What happens when
(i) Concentrated `H_2 SO_4` is added to calcium fluoride.
(ii) `SO_3` is passed through water ?

Text Solution

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`(i) CaF_(2)+underset(("Conc."))(H_(2)SO_(4))toCaSO_(4)+2HF`
(ii) `SO_(3)(g)+H_(2)Oto H_(2)SO_(4)(aq)" "(DeltaH_(f)=-200kj//mol)`
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