MCQ
Oxygen molecule exhibits
- ✓Paramagnetism
- BDiamagnetism
- CFerromagnetism
- DFerrimagnetism
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$W + {O_2}\, \rightleftharpoons X$
$X + {H_2O}\, \rightleftharpoons Y + W$
correct statement is
$(A)\,Cu$ $(II)$ complexes are always paramagnetic
$(B)\,Cu$ $(I)$ complexes are generally colourless
$(C)\,Cu$ $( I )$ is easily oxidized
$(D)$ In Fehling solution, the active reagent has $Cu$ $( I )$
