Which of the following reactions is an oxidation…?
Which of the following reactions is an oxidation process?
Now, when electron is lost, a neutral atom will become positively charged, and
A negatively charged ion will become neutral, this is why oxidation is used to liberate non-metals at the anode of an electrolytic cell.
Now for the right answer to the above question:
- Option A is incorrect. positively charged hydrogen ion gained electron to become neutral.
- Option B is correct. Negatively charged oxygen ion losses electrons to become neutral diatom.
- C is incorrect. neutral water molecule gained electrons to become negatively charged hydroxide ion.
- D is not the correct answer. Neutral chlorine gained electron to become negatively charged chloride ion.
You may please note these/this:
- Oxidation involves the loss and not the gain of electron(s).
- When a neutral atom losses electron(s), it becomes positively charged.
- When a negatively charged ion losses electron, it becomes neutral as shown in option B.
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/culled from 2019 JAMB-UTME Chemistry question 25/