Classification Of Elements And Periodicity In Properties Question 216
Question: In which of the following pairs the difference between the covalent radii of the two metals is maximum [MP PET 1994]
Options:
A) K, Ca
B) Mn , Fe
C) Co , Ni
D) Cr , Mn
Show Answer
Answer:
Correct Answer: A
Solution:
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\text{-} $ subshell.
BETA
