A salt was made by the reaction of sodium metal and chlorine gas as follows:
$2Na + Cl_2 \rightarrow 2NaCl$
Define in terms of electron transfer
i) oxidation,
ii) reduction - Leaving Cert Chemistry - Question b - 2022
Question b
A salt was made by the reaction of sodium metal and chlorine gas as follows:
$2Na + Cl_2 \rightarrow 2NaCl$
Define in terms of electron transfer
i) oxidation,
ii)... show full transcript
Worked Solution & Example Answer:A salt was made by the reaction of sodium metal and chlorine gas as follows:
$2Na + Cl_2 \rightarrow 2NaCl$
Define in terms of electron transfer
i) oxidation,
ii) reduction - Leaving Cert Chemistry - Question b - 2022
Step 1
Define in terms of electron transfer: oxidation
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Answer
Oxidation is defined as the loss of electrons by a substance. In a chemical reaction, when a species loses electrons, its oxidation state increases.
Step 2
Define in terms of electron transfer: reduction
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Answer
Reduction is defined as the gain of electrons by a substance. When a species gains electrons, its oxidation state decreases.
Step 3
Identify the reducing agent in the redox reaction above
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Answer
The reducing agent in the reaction is sodium (Na). It donates electrons to chlorine, thereby being oxidized itself while facilitating the reduction of chlorine.
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