When sodium metal is added to a container having chlorine, an exothermic reaction takes place
Na + Cl2 + NaCl; AH =-411 kJ
The above reaction can be viewed as the sum of five simpler reactions given below
R1: Na(s) - Na(g)
R2: Na(g) - Na*(g) + e
R3: Cl2 → C1
R4: Cl + e + C1
R5 : Na+ + CI + NaCl
Identify the reactions in which energy is released
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Answer:
reaction 2
Explanation:
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