Question

The type of reaction in a voltaic cell is best described as a

Answer 1

Answer : The type of reaction in a voltaic cell is best described as a redox reaction or oxidation-reduction reaction.

Explanation :

Voltaic cell : It is also known as the galvanic cell or electrochemical cell.  It is a type of device that is used for the conversion of the chemical energy produces in a redox reaction into the electrical energy.

The redox reaction or oxidation-reduction reaction takes place between the zinc and copper sulfate.

In this cell, the oxidation takes place at an anode which is a negative electrode and the reduction takes place at the cathode which is a positive electrode.

The balanced two-half reactions will be,

Oxidation half reaction : $Zn(s)\rightarrow Zn^{2+}(aq)+2e^-$

Reduction half reaction : $Cu^{2+}(aq)+2e^-\rightarrow Cu(s)$

Thus the overall reaction will be,

$Zn(s)+Cu^{2+}(aq)\rightarrow Zn^{2+}(aq)+Cu(s)$

Hence, the type of reaction in a voltaic cell is best described as a redox reaction or oxidation-reduction reaction.

Answer 2

I think the correct answer would be spontaneous oxidation-reduction reaction. The  type of reaction in a voltaic cell is best described as a spontaneous oxidation-reduction reaction. A voltaic cell uses the energy from the chemical reaction involved to produce electrical energy. Hope this answers the question.