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H(2)C(2)O(4)overset(triangle)to"gas"(A)+...

`H_(2)C_(2)O_(4)overset(triangle)to"gas"(A)+"gas"(B)+"liquid"(C)`. Gas(A) burns with a blue flame and is oxidised to gas(B).
`"Gas"(A)+Cl_(2)toDtooverset(NH_(3),triangle)toE`
A,B,C and E are

A

`CO_(2),CO,H_(2)O,HCONH_(2)`

B

`CO,CO_(2),COCl_(2),HCONH_(2)`

C

`CO,CO_(2),H_(2)O,NH_(2)CONH_(2)`

D

`CO,CO_(2),H_(2)O,COCl_(2)`

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