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p -Block elements - ll — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
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}$

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