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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

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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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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

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

Define in terms of electron transfer: oxidation

Define in terms of electron transfer: reduction

Identify the reducing agent in the redox reaction above

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