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🩺 NEET🧪 Chemistry

Among the following, the brown ring is due to the formation of

Q1

Among the following, the brown ring is due to the formation of

a

\(\left[\mathrm{Fe}(\mathrm{NO})_2\left(\mathrm{SO}_4\right)_2\right]^{2-}\)

b

\(\left[\mathrm{Fe}(\mathrm{NO})_2\left(\mathrm{H}_2 \mathrm{O}\right)_4\right]^{3+}\)

c

\(\left[\mathrm{Fe}(\mathrm{(NO)}_4) \left(\mathrm{SO}_4\right)_2\right]\)

d

\(\left[\mathrm{Fe}(\mathrm{NO})\left(\mathrm{H}_2 \mathrm{O}\right)_5\right]^{2+}\)

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