JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 28
question_answer
Among the following the number of paramagnetic as well as coloured species is____. \[{{O}_{2}},N{{O}_{2}},C{{u}^{2+}},Hg_{2}^{2+},F{{e}^{2+}},F{{e}^{3+}},{{[Fe{{(CN)}_{6}}]}^{4-}}\], \[{{[Fe{{(CN)}_{6}}]}^{3-}},{{[Ni{{({{H}_{2}}O)}_{6}}]}^{2+}},{{[Ni{{(CN)}_{4}}]}^{2-}}\]