Chemistry - PERIODIC TABLE Question with Solution | TestHub
ChemistryPERIODIC TABLEElectron Affinity, ElectronegativityMedium2 minQB
ChemistryMediummultiple choice
In which of the following value of mentioned property first increases and then decreases as we move from left to right in given options.
Options:(select one or more)
Answer:
B, D
Solution:
The correct options are B and D.
Option B: Electron affinity generally decreases down a group. For O, S, Se, electron affinity increases from O to S due to less electron-electron repulsion in the larger S atom, then decreases from S to Se.
Option D: Spin magnetic moment for Mn, Cr, V depends on the number of unpaired electrons. V (3d³, 3 unpaired), Cr (3d⁵, 6 unpaired), Mn (3d⁵, 5 unpaired). The number of unpaired electrons (and thus spin magnetic moment) increases from V to Cr, then decreases from Cr to Mn.
Stream:JEESubject:ChemistryTopic:PERIODIC TABLESubtopic:Electron Affinity, Electronegativity
⏱ 2mℹ️ Source: QB
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