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Variable Oxidation States

The salts of ...

Question

The salts of Cu in +1 oxidation state are unstable because:

C u

has

3 d^{10}

configuration.

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C u

disproportionates easily to

C u (0)

and

C u^{2 +}

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C u

disproportionates easily to

C u^{2 +}

and

C u^{3 +}

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C u

is easily reduced to

C u^{2 +}

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Solution

The correct option is B $C u$ disproportionates easily to $C u (0)$ and $C u^{2 +}$ .
$C u^{+}$ has a low hydration enthalpy and is not stable as it disproportionates into $C u^{+ 2}$ and $C u$ .

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Similar questions

C u^{+}

C u

C u^{2 +}

C u^{+}

E^{\circ}

C u^{+}

E^{\circ} C u^{2} / C u = 0.34 V)

C u^{2 +}

3 d^{9}

C u^{+}

3 d^{10}

C u^{+}

2 C u^{+} (a q) \to C u (s) + C u^{2 +} (a q)

C u^{2 +} + e^{-} \to C u^{+}

E^{o} = 0.15 V

C u^{2 +} + 2 e^{-} \to C u

E^{o} = 0.34 V

E^{o}

C u^{+} + e^{-} \to C u

C u^{+}

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