Arrange the following as per instructions given in the brackets:
Cl, F, Br, I (increasing order of electron affinity)

Options

A. `Br lt I lt F lt Cl`
B. `I lt Br lt Cl lt F `
C. `Br lt Cl lt I lt F`
D. `F lt Cl lt Br lt I`

Answer

B

Explanation

On moving down the group as the atomic size increases, electron affinity decreases. The more the electron affinity, more electronegative is the element.