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Question: Answered & Verified by Expert
Oxalic acid when heated with conc. $\mathrm{H}_2 \mathrm{SO}_4$, gives out
Chemistryp Block Elements (Group 15, 16, 17 & 18)JEE Main
Options:
  • A $\mathrm{H}_2 \mathrm{O}$ and $\mathrm{CO}_2$
  • B $\mathrm{CO}$ and $\mathrm{CO}_2$
  • C Oxalic sulphate
  • D $\mathrm{CO}_2$ and $\mathrm{H}_2 \mathrm{~S}$
Solution:
1588 Upvotes Verified Answer
The correct answer is: $\mathrm{CO}$ and $\mathrm{CO}_2$
\(\begin{array}{ll} \mathrm{COOH} \\ ~| \\ \mathrm{COOH} \end{array} \xrightarrow{\text { conc. } \mathrm{H}_2 \mathrm{SO}_4} \mathrm{H}_2 \mathrm{O}+\mathrm{CO}+\mathrm{CO}_2\)

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