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NEETChemistryd and f Block Elements

Match the following: The correct answer is array lll A & B & C array

Options

  1. AI II III
  2. BI III IV
  3. CIII IV II
  4. DIII I IV

Correct answer

C. III IV II

Step-by-step solution

Cu ²⁺+4 NH ₃( aq ) [ Cu ( NH ₃ )₄ ]²⁺ (Deep blue aqueous soln.) aligned & AgCl + NH ₃( aq ) [ Ag ( NH ₃ )₂ ] Cl (Colourless) & FeCl ₃+ NH ₄ OH Fe ₂ O ₃ xH ₂ O + NH ₄ Cl ( aq ) aligned (Brown ppt.)

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