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In the complex ion [Cu(CN)4]^(3-) the hy...

In the complex ion `[Cu(CN)_4]^(3-)` the hybridization state, oxidation state and number of unpaired electrons of copper are respectively.

A

`dsp^2, +1, 1 `

B

`sp^3, +1, ` zero

C

`sp^3 , +2, 1`

D

`dsp^3, -3 ,` zero

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