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JEE Mains · Chemistry · STD 12 - 2. Electrochemistry

चार धातुओं \(A , B , C\) और \(D\) के स्टैन्डर्ड (मानक) इलैक्ट्रोड विभव \(\left( E _{ M ^{+} / M }^{ \circ }\right)\) क्रमानुसार \(-1.2 V , 0.6 V , 0.85 V\) और \(-0.76 V\) हैं। वि भव लागू करने पर धातु जमने का क्रम होगा

  1. A \(A, C, B, D\)
  2. B \(B, D, C, A\)
  3. C \(C, B, D, A\)
  4. D \(D, A, B, C\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(C, B, D, A\)

Step-by-step Solution

Detailed explanation

As the value of reduction potential decreases the reducing power increases i.e. \(\mathop C\limits_{(0.85)} < \mathop B\limits_{(0.6)} < \mathop D\limits_{( - 0.76)} < \mathop A\limits_{( - 1.2)} \)
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