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Question

Oxalic acid when heated with conc. $$H_2SO_4$$, gives out


A
H2O2 and CO2
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B
CO and CO2
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C
Oxalic sulphate
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D
CO2 and H2S
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Solution

The correct option is B $$CO$$ and $$CO_2$$
Oxalic acid reacts with conc. sulphuric acid to produce a mixture of carbon monoxide, carbon dioxide and water.

$$\begin{matrix} COOH \\ | \\ COOH \end{matrix}\xrightarrow [  ]{ conc.H_ 2SO_ 4 }  \ H_2O + CO +CO_2$$

Chemistry
NCERT
Standard XII

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