Total number of molecules/species from following which will be paramagnetic is _ _ _. O₂, O₂⁺, O₂^-, NO, NO₂, CO, K₂[NiCl₄], [Co(NH₃)₆]Cl₃, K₂[Ni(CN)₄]

Chemical Bonding and Molecular Structure: JEE Main 2025 Chemistry question

JEE Main 2025 · 28 Jan, Evening shift · Q74

JEE Main 202528 Jan, Evening shiftChemistryMediumChemical Bonding and Molecular Structure142× since 2002

Total number of molecules/species from following which will be paramagnetic is ______.

\mathrm{O_2}

\mathrm{O_2^+}

\mathrm{O_2^-}

\mathrm{NO}

\mathrm{NO_2}

\mathrm{CO}

\mathrm{K_2[NiCl_4]}

\mathrm{[Co(NH_3)_6]Cl_3}

\mathrm{K_2[Ni(CN)_4]}

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2025 · 28 Jan, Evening shift · Q74

JEE Main 202528 Jan, Evening shiftChemistryMediumChemical Bonding and Molecular Structure142× since 2002

Total number of molecules/species from following which will be paramagnetic is ______.

\mathrm{O_2}

\mathrm{O_2^+}

\mathrm{O_2^-}

\mathrm{NO}

\mathrm{NO_2}

\mathrm{CO}

\mathrm{K_2[NiCl_4]}

\mathrm{[Co(NH_3)_6]Cl_3}

\mathrm{K_2[Ni(CN)_4]}

Your answerType your answer. Integers and decimals are accepted.