1.

Oxalic acid on being heated upto \[{{90}^{o}}C\] with conc. \[{{H}_{2}}S{{O}_{4}}\] forms [AFMC 1989; MP PET 1994; MP PMT 1989]

A.                 \[HCOOH+C{{O}_{2}}\] 
B.                 \[C{{O}_{2}}+{{H}_{2}}O\]
C.                 \[C{{O}_{2}}+CO+{{H}_{2}}O\]  
D.                 \[HCOOH+CO\]
Answer» D.                 \[HCOOH+CO\]


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