Скачать или смотреть JEE Advanced 2021 Paper 2 | Tetrahedral Complexes | EXAM TRAP | SAFE +4

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⚠️ EXAM TRAP – JEE Advanced 2021 Chemistry ⚠️
This question looks simple but MOST students confuse tetrahedral and square-planar geometry.

📌 JEE Advanced 2021 (Paper 2) – Coordination Compounds

QUESTION:
The pair(s) of complexes wherein both exhibit tetrahedral geometry is(are):

(Note: py = pyridine
Given: Atomic numbers of Fe = 26, Co = 27, Ni = 28, Cu = 29)

Options include complexes like:
[Co(CO)₄]⁻, [CoCl₄]²⁻
[Cu(py)₄]⁺, [Cu(CN)₄]³⁻
[FeCl₄]⁻, [Fe(CO)₄]²⁻
[Ni(CO)₄], [Ni(CN)₄]²⁻

This question tests:
❌ Blind use of hybridisation rules
❌ Confusion between strong and weak field ligands
❌ Forgetting oxidation state effects
❌ Mixing tetrahedral and square-planar logic

🔥 In this video you will learn:
✔ When 4-coordinate complexes are tetrahedral
✔ Why CN⁻ often forces square-planar geometry
✔ How oxidation state changes geometry
✔ ONE-STEP elimination logic used by toppers

⚠️ COMMON MISS:
Assuming all d⁸ metal complexes are tetrahedral.

Topic:
Coordination Compounds
Geometry of Complexes
Crystal Field Theory
JEE Advanced PYQs

📌 Watch till the end for the FINAL CHECK.

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#CoordinationCompounds #GeometryOfComplexes
#ExamTrap #MostWrong #Safe4

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