NEETChemistryCoordination Compounds
Match List I with List II: List I (Complex) List II (Isomerism) (A) [ Pt(NH ₃)₂ Cl ₂] (I) Optical isomerism only (B) [ Co(en) ₂ Cl ₂]^+ (II) Facial and meridional isomerism (C) [ Rh(py) ₃ Cl ₃] (III) Cis and trans isomerism only (D) [ Co(en) ₃]³⁺ (IV) Both geometrical and optical isomerism Choose the correct answer from the options given below:
Options
- A(A)-(IV), (B)-(III), (C)-(II), (D)-(I)
- B(A)-(III), (B)-(IV), (C)-(I), (D)-(II)
- C(A)-(III), (B)-(IV), (C)-(II), (D)-(I)
- D(A)-(II), (B)-(IV), (C)-(III), (D)-(I)
Correct answer
C. (A)-(III), (B)-(IV), (C)-(II), (D)-(I)
Step-by-step solution
(A) [ Pt(NH ₃)₂ Cl ₂] is a square planar complex of the type [MA₂B₂] . It exhibits only geometrical isomerism (cis and trans forms) and does not show optical isomerism due to the presence of a plane of symmetry. Thus, (A) matches with (III). (B) [ Co(en) ₂ Cl ₂]^+ is an octahedral complex of the type [M(AA)₂B₂] . It exhibits geometrical isomerism (cis and trans). The cis-isomer lacks a plane of symmetry and is optically active, while the trans-isomer is optically inactive. Thus, it shows both geometrical and optica