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Question: Answered & Verified by Expert
Reduction potential of four elements $P, Q, R, S$ is $-2.90,+0.34,+1.20$ and -0.76. Reactivity decreases in the order
ChemistryElectrochemistryJEE Main
Options:
  • A $P \gt Q \gt R \gt S$
  • B $Q \gt P \gt R \gt S$
  • C $R \gt Q \gt S \gt P$
  • D $P \gt S \gt Q \gt R$
Solution:
1594 Upvotes Verified Answer
The correct answer is: $P \gt S \gt Q \gt R$
Reducing power i.e. the tendency to lose electrons increases as the reduction potential decreases.

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