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The formula of penta aquanitrato chromium (III) nitrate is,

ChemistryCoordination CompoundsKCETKCET 2019

Options:

A \( \left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{5}\left(\mathrm{NO}_{3}\right)\right]\left(\mathrm{NO}_{3}\right)_{2} \)
B \( \left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{5}\left(\mathrm{NO}_{2}\right)\right] \mathrm{NO}_{3} \)
C \( \left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]\left(\mathrm{NO}_{3}\right)_{3} \)
D \( \left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]\left(\mathrm{NO}_{2}\right)_{2} \)