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Reactivity Towards Halogens

What happens ...

Question

What happens when?
Formic acid is heated with conc. $H_{2} {S O}_{4}$

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Solution

$H C O O H H_{2} {S O}_{4} (c p n c .) - ------- \to C O + H_{2} O$

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Reactivity Towards Halogens

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