Question

Which of the following is an endothermic process
1. First electron affinity of Chlorine
2. Second electron affinity of oxygen
3.Formation of NaCl from gaseous ions
4.Hydration of MgCl2

Answer 1

Answer:

2 Second electron affinity is mostly endothermic.

Answer 2

Concept Introduction: There are many types of reactions in Nature.

Explanation:

We have been Given: Which of the following is an endothermic process

1. First electron affinity of Chlorine

2. Second electron affinity of oxygen

3.Formation of NaCl from gaseous ions

4.Hydration of MgCl2

We have to Find: The Correct answer.

Second Electron Affinity of Oxygen is an endothermic process.

Final Answer: Second Electron Affinity of Oxygen is an endothermic process.

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