The standard reduction potential at 298 ...

The standard reduction potential at 298 K for the following half cell reaction
{:(zn^(2+)(aq)+2e rarr Zn(s)E^@=-0.762 V),(Cr^(3+)(aq) +3 e rarr Cr(s) E^@ =0.740V),(2H^+(aq)+2e rarr H_2(g)E^@=0.0V),(F_2(g) +2e rarr 2F(aq)E^@=2.87V):}`
Which of the following is strongest reducing agent ?

A

Zn(s)

B

Cr(s)

C

`H_2(g)`

D

`F_2(g)`

Verified by Experts

The correct Answer is:

A

The standard reduction potential at 298 K for the following half cell reaction{:(zn^(2+)(aq)+2e rarr Zn(s)E^@=-0.762 V),(Cr^(3+)(aq) +3 e rarr Cr(s) E^@ =0.740V),(2H^+(aq)+2e rarr H_2(g)E^@=0.0V),(F_2(g) +2e rarr 2F(aq)E^@=2.87V):}` Which of the following is strongest reducing agent ?