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What sort of informations can you draw f...

What sort of informations can you draw from the following reaction?
`(CN)_(2)(g) + 2overset(Θ)(OH)(aq) rarrCN^(Θ)(aq)+CNO^(Θ)(aq) + H_(2)O(l)`

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(i) It is a disproportionate reaction .
(ii) The reaction occurs in basic medium .
O.N of N in `(CN)_2` is -3 and that in `CN^(-)` is - 2 and in `CNO^(-)` it is -5.
(iv) Cyanogen , `(CN)_2` gets simultaneously reduced to`CN^(-)` ion as well as oxidised to cyanate, `CNO^(-)` ion.
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