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NEET2002ChemistryStructure of AtomActual

Which of the following is isoelectronic?

Options

  1. ACO ₂, NO ₂
  2. BNO ₂⁻, CO ₂
  3. CCN ⁻, CO
  4. DSO ₂, CO ₂

Correct answer

C. CN ⁻, CO

Step-by-step solution

In CN ⁻ the number of electrons =6+7+1=14 In CO the number of electrons =6+8=14

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