D And F Block Elements Question 98
Question: Transitional elements exhibit variable valencies because they release electrons from the following orbits
[MP PET/PMT 1988; MP PET 1989;UPSEAT 2001]
Options:
A) ns orbit
B) ns and np orbits
C) (n - 1)d and ns orbits
D) (n - 1)d orbit
Show Answer
Answer:
Correct Answer: C
Solution:
$ (n-1),d $ and ns orbits.
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