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NEET2013Chemistryd and f Block ElementsActual

K ₂ Cr ₂ O ₇ in acidic medium converts into

Options

  1. ACr ²⁺
  2. BCr ³⁺
  3. CCr ⁴⁺
  4. DCr ⁵⁺

Correct answer

B. Cr ³⁺

Step-by-step solution

Cr ₂ O ₇²⁻⁺ 14 H ⁺+6 e⁻ 2 Cr ³⁺+7 H ₂ O

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