Select incorrect order :NH3>PH3>AsH3>SbH3 (order of acidic strength)S>Se>Te>O (order of electron affinity)Si<S<P<Cl (order of IE)S−2>Cl−>K+>Ca2+ (order of radius)
Question
Select incorrect order :NH3>PH3>AsH3>SbH3 (order of acidic strength)S>Se>Te>O (order of electron affinity)Si<S<P<Cl (order of IE)S−2>Cl−>K+>Ca2+ (order of radius)
Solution
The incorrect order is S>Se>Te>O (order of electron affinity). The correct order should be O>S>Se>Te. Oxygen has the highest electron affinity followed by sulfur, selenium, and tellurium.
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