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KVPY2014ChemistryRedox Reactions

The reaction, K ₂ cr ₂ O ₇+ m FeSO ₄+ n H ₂ SO ₄ Cr ₂ ( SO ₄ )₃+ p Fe ₂ ( SO ₄ )₃+ K ₂ SO ₄+ q H ₂ O when balanced, m, n, p , and q are, respectively

Options

  1. A6,14,3,14
  2. B6,7,3,7
  3. C3,7,2,7
  4. D4,14,2,14

Correct answer

B. 6,7,3,7

Step-by-step solution

K ₂ Cr ₂ O ₇+6 FeSO ₄+7 H ₂ SO _ 4 Cr ₂ ( SO ₄ )₃+3 Fe ₂ ( SO ₄ )₃+ K ₂ SO ₄+7 H ₂ O

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