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Zinc ,silver and iron plates are dipped in CuSO4 solutions placed in different vessels as shown:
 
Blue colour of CuSO4 fades in  
  • a)
    I , II ,III
  • b)
    I, II
  • c)
    II , III
  • d)
    I , III
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Zinc ,silver and iron plates are dipped in CuSO4 solutions placedin di...
Blue colour fades or changes to colourless if Cu2+ is reduced to Cu.
In electrochemical series (ECS), reactivity order is Zn, Fe, Cu, Ag
Thus, Zn and Fe reduce Cu2+ to Cu but Ag does not reduce Cu2+. Thus, in I and III, CuSO4 changes to colourless or fades by zinc and iron plates.
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Zinc ,silver and iron plates are dipped in CuSO4 solutions placedin different vessels as shown:Blue colour of CuSO4 fades in a)I , II ,IIIb)I, IIc)II , IIId)I , IIICorrect answer is option 'D'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Zinc ,silver and iron plates are dipped in CuSO4 solutions placedin different vessels as shown:Blue colour of CuSO4 fades in a)I , II ,IIIb)I, IIc)II , IIId)I , IIICorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Zinc ,silver and iron plates are dipped in CuSO4 solutions placedin different vessels as shown:Blue colour of CuSO4 fades in a)I , II ,IIIb)I, IIc)II , IIId)I , IIICorrect answer is option 'D'. Can you explain this answer?.
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