NEET 2025

NEET 2025 Chemistry question on Coordination Compounds

Which of the following are paramagnetic?
A. [NiCl4]2−[\text{NiCl}_4]^{2-}
B. Ni(CO)4\text{Ni(CO)}_4
C. [Ni(CN)4]2−[\text{Ni(CN)}_4]^{2-}
D. [Ni(H2O)6]2+[\text{Ni(H}_2\text{O)}_6]^{2+}
E. Ni(PPh3)4\text{Ni(PPh}_3)_4
Choose the correct answer from the options given below:
  1. A.
    A, D and E only
  2. B.
    A and C only
  3. C.
    B and E only
  4. D.
    A and D only
Show answer

Correct option: D

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