Chemistry - PERIODIC TABLE Question with Solution | TestHub
ChemistryPERIODIC TABLEIonisation Energy,Medium2 minQB
ChemistryMediumsingle choice
Which of the following order is incorrect -
Options:
Answer:
B
Solution:
(a) Na₂O < SiO₂ < Cl₂O₇: Acidic character increases from basic oxide → acidic oxide. Correct.
(b) PH₃ < AsH₃ < SbH₃: This is incorrect because the basic character decreases down Group 15: PH₃ > AsH₃ > SbH₃.
(c) Sb < Te < I: Ionization energy generally increases across a period, so this order is correct.
(d) Successive electron affinities: EA₁ > EA₂ > EA₃ (each successive electron addition is less favorable). Correct.
Correct Option: (B)
Stream:JEESubject:ChemistryTopic:PERIODIC TABLESubtopic:Ionisation Energy,
⏱ 2mℹ️ Source: QB
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