MCQ
Chlorine is liberated, when we heat
- A$KMn{O_4} + NaCl$
- B${K_2}C{r_2}{O_7} + Mn{O_2}$
- C$P{b_2}{(N{O_3})_4} + Mn{O_2}$
- ✓${K_2}C{r_2}{O_7} + HCl$
✓
Answer
Correct option: D.
${K_2}C{r_2}{O_7} + HCl$
d
(d)${K_2}C{r_2}{O_7} + 14HCl\,\, \to \,\,2KCl + 2CrC{l_3}$$ + 7{H_2}O + 3C{l_2}$
(d)${K_2}C{r_2}{O_7} + 14HCl\,\, \to \,\,2KCl + 2CrC{l_3}$$ + 7{H_2}O + 3C{l_2}$
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