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Which of the following order is wrong? [2002]
  • a)
    NH3 < PH3 < AsH3 – Acidic
  • b)
    Li < Be < B < C – First IP
  • c)
    Al2O3 < MgO < Na2O < K2O – Basic
  • d)
    Li+ < Na+ < K+ < Cs+ – Ionic radius
Correct answer is option 'B'. Can you explain this answer?
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Which of the following order is wrong? [2002]a)NH3 < PH3 < AsH3 ...
Along the period, I.P. generally increases but not regularly. Be and B are exceptions. First I.P. increases in moving from left to right in a period, but I.P. of B is lower than Be.
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Which of the following order is wrong? [2002]a)NH3 < PH3 < AsH3 ...
First IP generally increases along a period with irregularities that arises because of stable configuration as according to Hund's rule. Be is having 1s² 2s² configuration which is stable whereas B is having 1s² 2s² 2p¹ configuration which is less stable in comparison to prior one, in order to gain stability as that of Be it's easy for B to lose one electron.
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Which of the following order is wrong? [2002]a)NH3 < PH3 < AsH3 ...
The rest of the options are missing, so it is not possible to determine which order is wrong.
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Which of the following order is wrong? [2002]a)NH3 < PH3 < AsH3 – Acidicb)Li < Be < B < C – First IPc)Al2O3 < MgO < Na2O < K2O – Basicd)Li+ < Na+ < K+ < Cs+ – Ionic radiusCorrect answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Which of the following order is wrong? [2002]a)NH3 < PH3 < AsH3 – Acidicb)Li < Be < B < C – First IPc)Al2O3 < MgO < Na2O < K2O – Basicd)Li+ < Na+ < K+ < Cs+ – Ionic radiusCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following order is wrong? [2002]a)NH3 < PH3 < AsH3 – Acidicb)Li < Be < B < C – First IPc)Al2O3 < MgO < Na2O < K2O – Basicd)Li+ < Na+ < K+ < Cs+ – Ionic radiusCorrect answer is option 'B'. Can you explain this answer?.
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