JEE Main 2026 Chemistry question
Which of the following sequences of hybridisation, geometry and magnetic nature are correct for the given coordination compounds? A. [NiCl₄]²⁻ – sp³, tetrahedral, paramagnetic B. [Ni(NH₃)₆]²⁺ – sp³d², octahedral, paramagnetic C. [Ni(CO)₄] – sp³, tetrahedral, paramagnetic D. [Ni(CN)₄]²⁻ – dsp², square planar, diamagnetic Choose the correct answer from the options given below:
Answer: (D)
Solution
A, B and D are correct (Ni²⁺ d⁸ with two unpaired electrons in the tetrahedral chloro and octahedral ammine
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