1 mole of $\mathrm{Fe}\left(\mathrm{NO}_2\right)_2$ is oxidised into $\mathrm{Fe}^{3+}$ and $\mathrm{NO}_3^{-}$ by $\mathrm{x}$ mole of $\mathrm{Cr}_2 \mathrm{O}_7^{2-}$ in acidic medium, $\mathrm{x}$ is

JEE CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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1 mole of

\mathrm{Fe}\left(\mathrm{NO}_2\right)_2

is oxidised into

\mathrm{Fe}^{3+}

and

\mathrm{NO}_3^{-}

\mathrm{x}

mole of

\mathrm{Cr}_2 \mathrm{O}_7^{2-}

in acidic medium,

\mathrm{x}

View answer and explanation

Correct option: D

0.83

Option D (0.83) is correct because it is calculated by equating the gram equivalents of

\mathrm{Fe(NO_2)_2}

and

\mathrm{Cr_2O_7^{2-}}