JEE Main202529 Jan 2025Morning ShiftChemistryCoordination CompoundsActual
Match List - I with List - II. ( array ll & List - I & & List - II & (Complex) & & (Hybridisation & Magnetic characters) (A) & [ MnBr ₄ ]²⁻ & (I) & d^2 s^3 & diamagnetic (B) & [ FeF ₆ ]³⁻ & (II) & sp ^3 ~d ^2 & paramagnetic (C) & [ Co ( C ₂ O ₄ )₃ ]³⁻ & (III) & sp ^3 & diamagnetic (D) & [ Ni ( CO )₄ ] & (IV) & sp ^3 & paramagnetic array ) Choose the correct answer from the options given below :
Options
- A(A) (-( IV ),( B )-( II ),( C )-( I ),( D )-( III ) )
- B(( A )-( III ),( B )-( I ),( C )-( II ),( D )-( IV ) )
- C(A) (-( IV ),( B )-( I ),( C )-( II ),( D )-( III ) )
- D(( A )-( III ),( B )-( II ),( C )-( I ),( D )-( IV ) )
Correct answer
A. (A) (-( IV ),( B )-( II ),( C )-( I ),( D )-( III ) )
Step-by-step solution
aligned & (A) [ M n B r ₄ ]²⁻ & Mn ⁺² [ Ar ] 3 ~d ^5 aligned In presence of ligand field sp ^3 hybridization, paramagnetic in nature (B) [ FeF ₆ ]³⁻ Fe ⁺³ [ Ar ] 3 ~d ^5 In presence of ligand field sp ^3 ~d ^2 hybridization, paramagnetic in nature (C) [ Co ( C ₂ O ₄ )₃ ]³⁻ Co ⁺³ [ Ar ] 3 ~d ^6 In presence of ligand field d^2 sp ^3 hybridization, diamagnetic in nature (D) [ Ni ( CO )₄ ] Ni ^0 [ Ar ] 3 ~d ^8 4 ~s ^2 In presence of ligand field sp ^3 hybridization, diamagnetic in nature