MCQ
Which one of the following reaction is not possible
- A$Fe + {H_2}S{O_4}\, \to \,\,FeS{O_4} + {H_2}$
- B$Cu + 2AgN{O_3}\, \to \,Cu\,{(N{O_3})_2} + 2Ag$
- ✓$2KBr + {I_2}\, \to \,\,2KI + B{r_2}$
- D$CuO + {H_2}\, \to \,\,Cu + {H_2}O$
✓
Answer
Correct option: C.
$2KBr + {I_2}\, \to \,\,2KI + B{r_2}$
c
(c)Brown layer is deposited on iron rod because $Cu$ has greater reduction potential than that of $F{e^{2 + }}$.
(c)Brown layer is deposited on iron rod because $Cu$ has greater reduction potential than that of $F{e^{2 + }}$.
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