MCQ
${K_2}C{r_2}{O_7}\xrightarrow{\Delta }A + B + C$

$B$ is green colored compound then it would be 

  • A
    $K_2CrO_4$
  • $Cr_2O_3$
  • C
    $CrO_3$
  • D
    $O_2$

Answer

Correct option: B.
$Cr_2O_3$
b
$\begin{gathered}
  {K_2}C{r_2}{O_7} \to {K_2}Cr{O_4} + C{r_2}{O_3} + {O_2} \hfill \\
  \,\,\,\,\,{\text{Green Color compound}} \hfill \\ 
\end{gathered} $

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