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Consider the following statements:
I. The electron present in principle quantum number (n) = 5 and lower value of azimuthal quantum number has orbital angular momentum of h/π.

II. 
For a certain atom, if the values of quantum numbers for the last electrons are n = 3, l = 0, m = 0, then its atomic number may be 12.
III. Total spin of the electrons for the atom having atomic number (Z) 26 is .
IV. For noble gases, the magnetic moment is zero.
The incorrect statement(s) is/are:
  • a)
    Only (III)
  • b)
    Only (I) and (III)
  • c)
    Only (I)
  • d)
    All of these
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements:I. The electron present in principle...
l. Orbital quantum number = 
For n = 5, l = 0, 1, 2, 3 and 4, which cannot satisfy the given condition.
II. For last electron, if last valence shell is 3s, then its atomic number may be 11(Na) or 12(Mg).
III. 
Total spin can be calculated with the help of unpaired electrons.
Z = 26 is Fe.
E.C: [Ar] 3d6 4s2
There are 4 unpaired electrons in the 3d orbital and the total spin adds up to ±2.
IV. For noble gases, magnetic moment is zero due to no unpaired electrons.
Thus, only (I) is incorrect.
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Consider the following statements:I. The electron present in principle quantum number (n) = 5 and lower value of azimuthal quantum number has orbital angular momentum of h/π.II.For a certain atom, if the values of quantum numbers for the last electrons are n = 3, l = 0, m = 0, then its atomic number may be 12.III.Total spin of the electrons for the atom having atomic number (Z) 26 is.IV. For noble gases, the magnetic moment is zero.The incorrect statement(s) is/are:a)Only (III)b)Only (I) and (III)c)Only (I)d)All of theseCorrect answer is option 'C'. Can you explain this answer?
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Consider the following statements:I. The electron present in principle quantum number (n) = 5 and lower value of azimuthal quantum number has orbital angular momentum of h/π.II.For a certain atom, if the values of quantum numbers for the last electrons are n = 3, l = 0, m = 0, then its atomic number may be 12.III.Total spin of the electrons for the atom having atomic number (Z) 26 is.IV. For noble gases, the magnetic moment is zero.The incorrect statement(s) is/are:a)Only (III)b)Only (I) and (III)c)Only (I)d)All of theseCorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Consider the following statements:I. The electron present in principle quantum number (n) = 5 and lower value of azimuthal quantum number has orbital angular momentum of h/π.II.For a certain atom, if the values of quantum numbers for the last electrons are n = 3, l = 0, m = 0, then its atomic number may be 12.III.Total spin of the electrons for the atom having atomic number (Z) 26 is.IV. For noble gases, the magnetic moment is zero.The incorrect statement(s) is/are:a)Only (III)b)Only (I) and (III)c)Only (I)d)All of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:I. The electron present in principle quantum number (n) = 5 and lower value of azimuthal quantum number has orbital angular momentum of h/π.II.For a certain atom, if the values of quantum numbers for the last electrons are n = 3, l = 0, m = 0, then its atomic number may be 12.III.Total spin of the electrons for the atom having atomic number (Z) 26 is.IV. For noble gases, the magnetic moment is zero.The incorrect statement(s) is/are:a)Only (III)b)Only (I) and (III)c)Only (I)d)All of theseCorrect answer is option 'C'. Can you explain this answer?.
Solutions for Consider the following statements:I. The electron present in principle quantum number (n) = 5 and lower value of azimuthal quantum number has orbital angular momentum of h/π.II.For a certain atom, if the values of quantum numbers for the last electrons are n = 3, l = 0, m = 0, then its atomic number may be 12.III.Total spin of the electrons for the atom having atomic number (Z) 26 is.IV. For noble gases, the magnetic moment is zero.The incorrect statement(s) is/are:a)Only (III)b)Only (I) and (III)c)Only (I)d)All of theseCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
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