Chemistry - PERIODIC TABLE Question with Solution | TestHub

ChemistryPERIODIC TABLEElectron Affinity, ElectronegativityMedium2 minQB

ChemistryMediumsingle choice

For electron gain enthalpies of the elements denoted as $Δ_{eg} H$ (in $kJ / mol$ ), the incorrect option is :

Answer:

Solution:

(1) $Δ_{eg} H (Cl) < Δ_{eg} H (F)$

(-345) (-328) Correct

(2) $Δ_{eg} H (Se) < Δ_{eg} H (S)$

(-195) (-200) Incorrect

(3) $Δ_{eg} H (O) > Δ_{eg} H (S)$

(-141) (- 200) correct

(4) $Δ_{eg} H (I) > Δ_{eg} H (Br)$

(-296) (-325) correct

Stream:JEESubject:ChemistryTopic:PERIODIC TABLESubtopic:Electron Affinity, Electronegativity

⏱ 2mℹ️ Source: QB

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