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
In which two metals in the following pairs the difference between the ionic radii is maximum?
ChemistryClassification of Elements and Periodicity in PropertiesNEET
Options:
  • A K,Ca
  • B Mn,Fe
  • C Co,Ni
  • D Cr,Mn
Solution:
1569 Upvotes Verified Answer
The correct answer is: K,Ca
Covalent radii decreases on going from left to right in periods. However among the transition elements the size do not changes much because the electrons add to the pneultimate d-subshells i.e.
(n-1)d- subshell.

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.