Question
The standard reduction potentials at 298 K for the following half reactions are given:
Which is the strongest reducing agent?
Zn2+(aq.)+2e⇌Zn(s); −0.762
Cr3+(aq)+3e⇌Cr(s); −0.740
2H+(aq)+2e⇌H2(g); 0.00
Fe3+(aq)+e⇌Fe2+(aq); 0.770
Which is the strongest reducing agent?
Zn2+(aq.)+2e⇌Zn(s); −0.762
Cr3+(aq)+3e⇌Cr(s); −0.740
2H+(aq)+2e⇌H2(g); 0.00
Fe3+(aq)+e⇌Fe2+(aq); 0.770
Answer: Option A
:
A
More negative is the reduction potential, higher will be the reducing property, i.e. the power to give up electrons.
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:
A
More negative is the reduction potential, higher will be the reducing property, i.e. the power to give up electrons.
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