Question

$X + K_2CO_3 + air \xrightarrow{\text{heat}} Y; Y + Cl_2 \rightarrow Z$ (Pink)
which of the following is correct?

• A. X = Black, $MnO_2$; Y = Blue, $K_2CrO_4$, Z = $KMnO_4$
• B. X = Green, $Cr_2O_3$; Y = Yellow, $K_2CrO_4$, Z = $K_2Cr_2O_7$
• C. X = Black, $MnO_2$; Y = Green, $K_2MnO_4$, Z = $KMnO_4$
• D. X = Black, $Bi_2O_3$; Y = Colourless, $KBiO_2$, Z = $KBiO_3$

Answer 1

Answer: (C)

Correct answer is (c) X = Black, $MnO_2$; Y = Green, $K_2MnO_4$, Z = $KMnO_4$