Chemistry - Complete d-block Question with Solution | TestHub

ChemistryComplete d-blockd-blockMedium2 minPYQ_2009

ChemistryMediumsingle choice

Which of the following complex ions is expected to absorb visible light ? (At no. $Zn = 30, Sc = 21, Ti = 22, Cr = 24$ )NEET 2009 (Mains)

Answer:

Solution:

$Cr^{3 +} \to Is^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} 3 p^{6} 3 d^{3}$
Unpaired electron shows colour so absorb visible light.

Stream:NEETSubject:ChemistryTopic:Complete d-blockSubtopic:d-block

⏱ 2mℹ️ Source: PYQ_2009

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