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The number of d-electrons in Fe2+ (Z = 26) is not equal to that of
  • a)
    p-electrons in Ne(Z = 10)
  • b)
    s-electrons in Mg(Z = 12)
  • c)
    d-electrons in Fe(Z = 26)
  • d)
    p-electrons in CI(Z = 17)
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The number of d-electrons in Fe2+ (Z = 26) is not equal to that ofa)p-...
Electronic configuration of Fe^2+ is [Ar]3d^6 4s^0 
therefore, Number of electrons  = 6
Mg- 1s^2 2s^2 2p^6  (6s electrons)
It matches with the 6d electrons of Fe2+ 
Cl- 1s^2 2s^2 2p^6 3s^2 3p^5 (11 p electrons)
It does not match with the 6d  electrons of Fe^2+
Fe- [Ar] 3d^6 4s^2 (6d electrons)

It does not match with the 6d electrons of Fe^2+
Ne- 1s^2 2s^2 2p^6 3s^2 3p 6 (6p electrons)
It matches with the 6d electrons of Fe^2+.
Hence, Cl has 11 p electrons which do not match in number with 6d electrons of Fe^2+
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Most Upvoted Answer
The number of d-electrons in Fe2+ (Z = 26) is not equal to that ofa)p-...
Electronic configuration of Fe2+ is [Ar]3d6 4s0 
therefore, Number of electrons  = 6
Mg- 1s2 2s2 2p6  (6s electrons)
It matches with the 6d electrons of Fe2+ 
Cl- 1s2 2s2 2p6 3s2 3p5 (11 p electrons)
It does not match with the 6d  electrons of Fe2+
Fe- [Ar] 3d6 4s2 (6d electrons)

It does not match with the 6d electrons of Fe2+
Ne- 1s2 2s2 2p6 3s2 3p 6 (6p electrons)
It matches with the 6d electrons of Fe2+.
Hence, Cl has 11 p electrons which do not match in number with 6d electrons of Fe2+
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Community Answer
The number of d-electrons in Fe2+ (Z = 26) is not equal to that ofa)p-...
I believe fe2+ and Fe can't have the same no. of d electrons . correct me if I am wrong, I question the validity of this answer.
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The number of d-electrons in Fe2+ (Z = 26) is not equal to that ofa)p-electrons in Ne(Z = 10)b)s-electrons in Mg(Z = 12)c)d-electrons in Fe(Z = 26)d)p-electrons in CI(Z = 17)Correct answer is option 'D'. Can you explain this answer?
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The number of d-electrons in Fe2+ (Z = 26) is not equal to that ofa)p-electrons in Ne(Z = 10)b)s-electrons in Mg(Z = 12)c)d-electrons in Fe(Z = 26)d)p-electrons in CI(Z = 17)Correct answer is option 'D'. Can you explain this answer? for Current Affairs 2024 is part of Current Affairs preparation. The Question and answers have been prepared according to the Current Affairs exam syllabus. Information about The number of d-electrons in Fe2+ (Z = 26) is not equal to that ofa)p-electrons in Ne(Z = 10)b)s-electrons in Mg(Z = 12)c)d-electrons in Fe(Z = 26)d)p-electrons in CI(Z = 17)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Current Affairs 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The number of d-electrons in Fe2+ (Z = 26) is not equal to that ofa)p-electrons in Ne(Z = 10)b)s-electrons in Mg(Z = 12)c)d-electrons in Fe(Z = 26)d)p-electrons in CI(Z = 17)Correct answer is option 'D'. Can you explain this answer?.
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