The overall reaction 2co3+(aq) + 2cl-(aq) ? 2co2+(aq) + cl2(g) has the standard cell voltage eocell= 0.46 v.

given that cl2(g) + 2e-? 2cl-(aq), eo = 1.36 v,

calculate the standard reduction potential for the following the half reaction at 25oc:

co3+ + e-? co2+

1.82 v
-0.90 v
0.90 v
-1.82 v

Option (a) is the correct answer.

Explanation:

The given overall reaction will be as follows.

It is given that standard potential of the cell is 0.46 V.

Hence, the oxidation and reduction half reactions of the cell are as follows.

Reduction-half reaction: ,    

Oxidation-half reaction: ,  

Now, expression of of this reaction is as follows.

Putting the given values into the above formula as follows.

     0.46 V =   - 1.36 V

  = 1.82 V

Thus, we can conclude that standard potential of the given half cell is 1.82 V.

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answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.