Help Contact For teachers and institutes

Mock Tests Classes

StemPy Lab

Learn. Solve. Code the solutions. Test yourself.

Live examsFree mock exams, timed and rankedEveryone starts together, and your score and rank come the moment it ends.See the exams →

Learn

Physics
Chemistry
Mathematics
Biology
Python Programming
Statistics & Data Science
Classes
Groups

Practice

Problems
Quizzes
Mock Tests
Prepare for an Exam
Question Sets
Exams
Certificates
Python Labs
AI Practice Generator
Student-Created Tests

Community

Discussions
Resources
Notes
Blog

Account

Log in

© 2026 senLearn. All rights reserved.Help About Contact Privacy Policy Terms of Use Refund Policy

What is the oxidation state of nickel in K₄[Ni(CN)₄]? | StemPy Lab

Quizzes
What is the oxidation state of nickel in K₄[Ni(CN)₄]?

ChemistryMediumHigh School (11–12)Coordination Compounds › Bonding: Valence Bond and Crystal Field Theory NEET A-Level IB

Created by StemPy Lab

What is the oxidation state of nickel in $\text{K}_4[\text{Ni(CN)}_4]$ ?

← All Quizzes

← The complex [Co(NH₃)₄Cl₂]Cl is dissolved in water and excess silver nitrate solution is added. How many moles of silver chloride form from one mole of the complex?Which ligand can bind to a metal through either of two different donor atoms? →

More onCoordination Compounds › Bonding: Valence Bond and Crystal Field Theory

Discussion (0)

Log in to join the discussion.

Loading…

More questions on this topic

Four statements are given. (i) A chelate is usually more stable than a similar complex of…Hard
Which statement about coordination compounds is wrong?Medium
Assertion (A): Tetrahedral complexes of 3d metal ions are almost always high spin. Reason (R): The…Medium
A solution of a certain complex ion takes in light of about 700 nm from the red end of the…Medium
An octahedral complex of a d⁹ ion has Δo = 160 kJ/mol. What is its CFSE, counting the splitting…Medium

All questions on this topic →

Problems on this topic

Two complexes of the same metal ion form at 298 K…Medium
Four aqua complexes are [Sc(H₂O)₆]³⁺, [Zn(H₂O)₆]²⁺, [Cr(H₂O)₆]³⁺ and [Co(H₂O)₆]²⁺…Medium
The complex of a d¹ ion absorbs red light of wavelength 640 nm…Easy
A d² ion forms an octahedral complex with Δo = 270 kJ/mol…Hard

All problems on this topic →