Coordination compounds
Coordination compounds is a Science & Technology concept from the MPSC syllabus, tested in 2 past MPSC questions (2019, 2020). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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Real questions that test this
खालीलपैकी कोणते लुईस आम्ल नाही ? Which of the following is not a Lewis acid?
A Lewis acid is an electron-pair acceptor. Barium chloride (BaCl2) is an ionic compound and acts as a source of chloride ions, not an electron-pair acceptor in the Lewis sense, unlike boron and beryllium halides which have incomplete octets.
टेट्राहेड्रल [Ni(CO)4] व्यामिश्र/जटिल (complex) मध्ये विजोड इलेक्ट्रॉन्सची संख्या ______ आहे. The number of unpaired electrons in tetrahedral [Ni(CO)4] complex is ________
In [Ni(CO)4], nickel is in the 0 oxidation state with a 3d8 4s2 configuration. CO is a strong field ligand that causes pairing of electrons, resulting in sp3 hybridization and zero unpaired electrons.