1.

Which of the following is not an "element+element to compound" type reaction?

Answer»

`C_(s)+O_(2(G))toCO_(2(g))`
`2K_((s))+Br_(2(l))to2KBr_((s))`
`2CO_((g))+O_(2(g))to2CO_(2(g))`
`4Fe_(s)+3O_(2(g))to2Fe_(2)O_(3(s))`

Solution :It involves ONE reactant compound i.e., carbon monoxide (CO).
`underset("compound")(2CO_((g)))+underset("ELEMENT")(O_(2(g)))tounderset("Compound")(2CO_(2))`


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