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Question: Answered & Verified by Expert
Select incorrect order
ChemistryClassification of Elements and Periodicity in PropertiesNEET
Options:
  • A NH3>PH3>AsH3>SbH3 (order of acidic strength)
  • B S > Se > Te > O (order of electron affinity)
  • C Si < S < P < Cl (order of IE)
  • D S2>Cl->K+>Ca2+ (order of radius)
Solution:
2443 Upvotes Verified Answer
The correct answer is: NH3>PH3>AsH3>SbH3 (order of acidic strength)
Correct order of acidic strength is
NH3<PH3<AsH3<SbH3
Rest other orders are correct here.

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