Which of the following process involves the gain of energy ?

Chemistry · JEE Main · NTA ExamsClassification of Elements and Periodicity in Properties

Which of the following process involves the gain of energy ?
  1. O(g) + e \(\text { → }\)O(g)
  2. Na+ + e\(\text { → }\) Na
  3. O(g) + e\(\text { → }\)O2–(g)
  4. O2–(g) \(\text { → }\)O(g) + e

Answer

(C) O – (g) + e – → O 2– (g)

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

More Classification of Elements and Periodicity in Properties questions · Browse all practice questions