When magnesium ribbon is burned in oxygen the reaction that takes place is:
Mg + O2 → Mg²⁺ + O⁻
(i) Which element is reduced?
(ii) Give a reason for your answer. - Leaving Cert Chemistry - Question d - 2019
Question d
When magnesium ribbon is burned in oxygen the reaction that takes place is:
Mg + O2 → Mg²⁺ + O⁻
(i) Which element is reduced?
(ii) Give a reason for your answer.
Worked Solution & Example Answer:When magnesium ribbon is burned in oxygen the reaction that takes place is:
Mg + O2 → Mg²⁺ + O⁻
(i) Which element is reduced?
(ii) Give a reason for your answer. - Leaving Cert Chemistry - Question d - 2019
Step 1
Which element is reduced?
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The element that is reduced in the reaction is oxygen (O₂).
Step 2
Give a reason for your answer.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Oxygen is reduced because it gains electrons during the reaction, resulting in it acquiring a negative charge as it forms the oxide ion (O⁻).
Join the Leaving Cert students using SimpleStudy...
