The most important oxidation state of copper | vedclass

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(B) The most important oxidation state of copper is $+2$.Although copper exhibits both $+1$ and $+2$ oxidation states,the $+2$ state is more stable in

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$+2$

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(B) The most important oxidation state of copper is $+2$.Although copper exhibits both $+1$ and $+2$ oxidation states,the $+2$ state is more stable in aqueous solution due to its higher hydration enthalpy,which compensates for the second ionization energy.Standard electrode potentials are:$Cu^{+} + e^{-} 	o Cu$; $E^{0} = +0.52 \ V$$Cu^{2+} + 2e^{-} 	o Cu$; $E^{0} = +0.34 \ V$

The most important oxidation state of copper is

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