JEE Main 2026 Chemistry question

ChemistryCoordination CompoundsJEE Main 2026

Given below are two statements Statements-I : The number of paramagnetic species among , , and is 3. Statement-II : K_4[Fe(CN)_6] < K_3[Fe(CN)_6] < [Fe(H_2O)_6]SO_4\cdot H_2O < [Fe(H_2O)_6]Cl_3 is the correct order in terms of number of unpaired electron(s) in the complexes. In the light of the above statements, choose the correct answer from the options given below.?

Answer: (1)

Solution

Paramagnetic: [CoF_6]^{3-}, [TiF_6]^{3-}, [Fe(CN)_6]^{3-} (3 species);

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Question ID VK-001426