Classification Of Elements And Periodicity In Properties Ques 333
Question: Variable valency in general, is exhibited by [CPMT 1974, 84, 89; DPMT 1981, 82; MP PET 2001]
Options:
A) Transition elements
B) Gaseous elements
C) Non-metals
D) $ s $ -block elements
Show Answer
Answer:
Correct Answer: A
Solution:
Transition elements due to presence of vacant d-orbitals.
