Question

what happen when the gas obtained by heating the methanoic acid with conc.h2so4 is treated with cl2 in sunlight

Answer 1

Answer:

HERE IS YOU ANS

Explanation:

At first you need to know what happens when the first 2 products are heated, only then you can know what gasses pass trough the NaOH solution.

And that is: The weak and hydrated oxalic acid gets dehydrated& decomposed:

(COOH)2. 2H2O + conc. H2SO4 + heat→ CO(gas) + CO2(gas) + [H2SO4.3H2O]

then these gasses pass trough the NaOH solution:

Co pass-trough since it is not absorbed or reacting with the hydroxide,

but CO2 gets absorbed & reacts & becomes Na2CO3.

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