MCQ
Which one is the correct outer configuration of chromium
- A

- B

- ✓

- D






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$CH_3CH_2-C \equiv CH+ HCl \rightarrow B \xrightarrow{{HI}} C$
$A\, \rightleftharpoons \,B$ ${K_C} = 2$
$B\, \rightleftharpoons \,C$ ${K_C} = 3$
$C\, \rightleftharpoons \,D+E$ ${K_C} = 5$
$K_C$ for the reaction $A\, \rightleftharpoons \,D+E$ is
