Question

Which one of the following process requiring absorption of energy?

Solution

Correct option is

⟶ O2– 

Second electron affinity of oxygen is endothermic and greater than first electron affinity, which is exothermic.

SIMILAR QUESTIONS

Q1

The halogen that most easily reduced is

Q2

Which element has the lowest electronegativity?

Q3

Which one of the elements has the maximum electron affinity?

Q4

For electron affinity of halogens, which of the following is correct?

Q5

Which one of the following has the highest electronegativity?   

Q6

The outermost electronic configuration of the most electronegative element is 

Q7

Fluorine has low electron affinity than chlorine because of  

Q8

The second electron affinity is zero for

Q9

Which one of the following combinations represents a metallic element?

Q10

Which has highest melting point?