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1. Pbs∣Pb2+aq∣Cu2+aqCus

  • A. +0.21
  • B. +0.21
  • C. +0.21
  • D. +0.21

Answer: Option B

Explanation:

দেওয়া আছে,

Pb2+ / Pb = -0.13 

বা, Pb / Pb2+  = +0.13 

অতএব কোষের মোট বিভব = (+0.34) + (+0.13)
                                          = + 0.47

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