Students were requested to answer a question at schools and to mention what is most important for them to succeed. Of the many answers, one which that stood out was practice. People who usually are successful do not become successful by being born. They work hard and commitment their lives to succeeding. This is how you can reach your goals. right below are one of the answer and question example that you would possibly work with to practice and upgrade your knowledge and also give you insights that should assist you to keep up your study in school.
Which equation describes a reduction?
Mg(s)—Mg2+ (aq) + 2e –
201 + 2e ->201
Na(s) — Nat(aq) + e
Al(s)— A3+ (aq) + 3e –
Answer : The reduction will be
Redox reaction or Oxidation-reduction reaction : It is defined as the reaction in which the oxidation and reduction reaction takes place simultaneously.
Oxidation reaction : It is defined as the reaction in which a substance looses its electrons. In this, oxidation state of an element increases. Or we can say that in oxidation, the loss of electrons takes place.
Reduction reaction : It is defined as the reaction in which a substance gains electrons. In this, oxidation state of an element decreases. Or we can say that in reduction, the gain of electrons takes place.
(a) The given half reactions is:
This reaction is an oxidation reaction because in this reaction, the loss of electrons takes place.
(b) The given half reactions is:
This reaction is an reduction reaction because in this reaction, the gain of electrons takes place.
(c) The given half reactions is:
(d) The given half reactions is:
Hence, the reduction will be
From the answer and question examples above, hopefully, they might help the student take care of the question they had been looking for and notice of all the stuff stated in the answer above. Then may possibly make some sharing in a group discussion and also learning with the classmate in relation to the topic, so another student also take up some enlightenment and still keeps up the school learning.