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Central Atom and Ligands

How are 3Fe2+...

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How are 3Fe2+ ions converted to 2Fe3+ ions in Fe3O4

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Q. For a given reaction:

F e + 2 F e^{3 +} \to 3 F e^{2 +}

{C u}^{2 +}

ions react with

{F e}^{2 +}

ions according to the following reaction:

{C u}^{2 +} + 2 {F e}^{2 +} ⇌ C u + 2 {F e}^{3 +}

At equilibrium, the concentration of

{C u}^{2 +}

ions is not changed by the addition of:

Q. Sea water contains around

65 \times 10^{- 3}

g of bromide ions in

1

^{3}

. If all the bromide ions are converted into

{B r}_{2}

, then how many dm

^{3}

of sea water are needed to produce 1kg of bromide

{B r}_{2}

?

Q. In the higher plants, nitrate ions absorbed from the soil are converted to ammonia in two steps. In the second step, the electrons required for reduction of nitrite ions are donated by

C l^{-}

ions are converted to

C l_{2}

, the oxidation number of chlorine changes from:

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