$(\mathrm{X})+\mathrm{K}_{2} \mathrm{CO}_{3}+\mathrm{Air} \stackrel{\text { heat…
$(\mathrm{Y})+\mathrm{Cl}_{2} \longrightarrow(\mathrm{Z}) \operatorname{Pink}$
Which of the following is correct?
- $\mathrm{X}=$ black, $\mathrm{MnO}_{2}, \mathrm{Y}=$ Blue,
$\mathrm{K}_{2} \mathrm{CrO}_{4}, \mathrm{Z}=\mathrm{KMnO}_{4}$ - $\mathrm{X}=$ green, $\mathrm{Cr}_{2} \mathrm{O}_{3}, \mathrm{Y}=$ Yellow,
$\mathrm{K}_{2} \mathrm{CrO}_{4}, \mathrm{Z}=\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$ - $\mathrm{X}=$ black, $\mathrm{MnO}_{2}, \mathrm{Y}=$ green,
$\mathrm{K}_{2} \mathrm{MnO}_{4}, \mathrm{Z}=\mathrm{KMnO}_{4}$ - $\mathrm{X}=$ black, $\mathrm{Bi}_{2} \mathrm{O}_{3}, \mathrm{Y}=$ colourless
$\mathrm{KBiO}_{2}, \mathrm{Z}=\mathrm{KBiO}_{3}$
Solution
/Asked in: JEE-TOPICTESTS-CHEMISTRY
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