Q.
Sc (Z=21) is a transition element but Zn(Z=30) is not because
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
both Sc3+ and Zn2+ ions are colourless and form white compounds.
b
in case of Sc, 3 d orbitals are partially filled but in Zn these are filled.
c
last electron is assumed to be added to 4 s level in case of Zn.
d
both Sc and Zn do not exhibit variable oxidation states.
answer is B.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Sc (Z=21) has incompletely filled 3d-orbitals in its ground state 3d1, it is considered as a transition element but Zn(Z=30) has completely filled d -orbitals 3d10 in its ground state and its common oxidation state of (+2), it is not considered as a transition element.