What is the reduction half-reaction for mg(s) + zncl2(aq) mgcl2(aq) + zn(s)? a. zn2+ + 2e- zn(s) b. mg(s) mg2+ + 2e- c. mg2+ + 2e- mg(s) d. zn(s) zn2+ + 2e-

Reduction half:

Explanation:

Redox reactions are reduction-oxidation reactions in which there is an exchange of electrons between the reactants.

The species which loses electrons is said to have undergone oxidation, whereas the system that gains electrons is known to have undergone reduction. Therefore, a redox reaction can be represented in terms of half-reactions i.e. the reduction half and the oxidation half.

The given reaction is:

Here the oxidation state of Mg changes from 0 to +2 i.e. it loses 2 electrons and undergoes oxidation

In contrast, the oxidation state of Zn changes from +2 to 0, it gains 2 electrons and undergoes reduction

The half reactions are:

Reduction:  

Oxidation:

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

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