1.

Find the total number of compounds or ions having O-O bond longer than that in free O_(2) molecule. (a) Na_(2)O_(2),""(b) KO_(2), (c ) [overset(v)Cr(O_(2))_(4)]^(3-),""(d) [overset(VI)CrO(O_(2))_(2)(H_(2)O)], (e ) [CrO_(5)(Py)],""(f) [overset(III)Cr(O_(2))(CN)_(5)]^(3-), (g) Na_(2)ZnO_(2)

Answer»


SOLUTION :Except `Na_(2)ZnO_(2)`, all have either `O_(2)^(-)` or `O_(2)^(2-)` which have longer bond length than`O_(2)`.


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