JEE Main 2022 · 27 Jul · Shift 1 · Chemistry Q72

ChemistrySingle correct+4 / -1Question 72 of 90

The total number of Mn=O bonds in $\mathrm{Mn_2O_7}$ is ______.

Answer and worked solution

Official answer: C

$\mathrm{Mn_2O_7}$ is $\mathrm{O_3Mn{-}O{-}MnO_3}$ : three Mn=O on each Mn, 6 in all.

(C)

Topics:Transition element properties

JEE Main 2022 · 27 Jul · Shift 1, Chemistry question 72