Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
Choose the incorrect match:
ChemistryCoordination CompoundsNEET
Options:
  • A K PtCl3C2H4 :  Zeise's salt
  • B FeCO5 : Trigonal bipyramidal
  • C CoNH363+ : Inner orbital complex
  • D CrNH363 : Diamagnetic
Solution:
2915 Upvotes Verified Answer
The correct answer is: CrNH363 : Diamagnetic
K PtCl3C2H4 is  Zeise's salt
Hybridisation of Fe ( CO ) 5 =sp 3 d

So, shape is triagonal bipyramidal

[ Co ( N H 3 ) 6 ] +3

Co +3 =1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 6

NH 3 is strong field ligand.



C r +3 =1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 3

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.