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ChemistryJEE Main 6 Apr 2026, Shift 2·Q11·MCQ·Easy–moderate

Coordination Compounds · Valence bond theory hybridisation magnetism

Which of the following sequence of hybridisation, geometry and magnetic nature are correct for the given coordination compounds ?
  • (A)[NiClX4]X2−\ce{[NiCl4]^{2-}} – sp3^3, tetrahedral, paramagnetic
  • (B)[Ni(NHX3)X6]X2+\ce{[Ni(NH3)6]^{2+}} – sp3^3d2^2, octahedral, paramagnetic
  • (C)[Ni(CO)X4]\ce{[Ni(CO)4]} – sp3^3, tetrahedral, paramagnetic
  • (D)[Ni(CN)X4]X2−\ce{[Ni(CN)4]^{2-}} – dsp2^2, square planar diamagnetic
Choose the correct answer from the options given below :
  1. (1)A, B, C and D
  2. (2)B, C and D only
  3. (3)A, C and D only
  4. (4)A, B and D only

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