Answered

In any redox reaction, the substance that undergoes reduction will

(1) lose electrons and have a decrease in oxidation number

(2) lose electrons and have an increase in oxidation number

(3) gain electrons and have a decrease in oxidation number

(4) gain electrons and have an increase in oxidation number

Verified Answer :

In any redox reaction, the substance that undergoes reduction will 3)   gain electrons and have a decrease in oxidation number.

redox reactions deal with the transfer of electrons from one species to another species

redox reactions are made of reduction reactions and oxidation reactions

reduction reactions are when electrons take in electrons and results in a decrease in the oxidation number

oxidation reactions are when electrons give out electrons resulting in an increase in the oxidation number

therefore correct answer for reduction reactions are

(3) gain electrons and have a decrease in oxidation number