CN⁻ (strong field) forces pairing → dsp² → square planar.
Back to JEE Advanced 2026 Inorganic Chemistry
JEE Advanced 2026 — Chemistry Inorganic Chemistry
hard
mcq
2026
Official previous-year question
Verified 30 May 2026.
Question
The geometry of [Ni(CN)₄]²⁻ is:
Options
- A
Tetrahedral
- B
Square planar
- C
Octahedral
- D
Trigonal bipyramidal
Solution
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