An electrochemical cell has the following overall reaction: mn(s) + cu2+(aq) > cu(s) + mn2+(aq) the reduction half-reaction has a standard potential of 1.18 v. the oxidation half-reaction has a standard potential of 0.34 v. what is the overall cell potential? (a) -1.52 v (b) -1.18 v (c) +1.18 v (d) +1.52 v

Oxidation is a process in which electrons are lost from the substance. Since electrons are lost, oxidation state increases.

In the above reaction, we can see that oxidation state increases for Mn from 0 to +2. That mean Mn is undergoing oxidation.

We have

The oxidation state decreases for Cu, that means Cu undergoes reduction.

The formula to calculate cell potential is

Let us plug in the given Eox and Ered values.

The overall cell potential is +1.52V

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.

c (diamond),

sio2 (quartz)