हिंदी

Which of the following do NOT obey EAN rule? [Fe (Z = 26), Cr (Z = 24)] -

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प्रश्न

Which of the following do NOT obey EAN rule?

[Fe (Z = 26), Cr (Z = 24)]

विकल्प

  • Fe(CO)5

  • [Fe(CN)6]3−

  • Cr(CO)6

  • [Fe(CN)6]4−

MCQ

उत्तर

[Fe(CN)6]3−

Explanation:

EAN of [Fe(CN)6]3− = 26 − 3 + 12 = 35

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Effective Atomic Number (EAN) Rule
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