MCQ
The reduction potential of hydrogen half-cell will be negative; if :
  • A
    $p\left( H _2\right)=1 atm$ and $\left[ H ^{+}\right]=2.0 M$
  • B
    $p\left( H _2\right)=1 atm$ and $\left[ H ^{+}\right]=1.0 M$
  • $p\left( H _2\right)=2 atm$ and $\left[ H ^{+}\right]=1.0 M$
  • D
    $p\left( H _2\right)=2 atm$ and $\left[ H ^{+}\right]=2.0 M$

Answer

Correct option: C.
$p\left( H _2\right)=2 atm$ and $\left[ H ^{+}\right]=1.0 M$
C

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