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BITSAT2014ChemistryPractical ChemistryActual

Which of the following ions can be separated by aq. NH ₄ OH in presence of NH ₄ Cl

Options

  1. AAl ³⁺ and Fe ³⁺
  2. BCr ³⁺ and Al ³⁺
  3. CCu ²⁺ and Al ³⁺
  4. DNone of these

Correct answer

C. Cu ²⁺ and Al ³⁺

Step-by-step solution

Cu ²⁺ is of group II and Al ³⁺ is of group III of cation analysis.

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