GS PrelimsScience and TechnologyGeneral Science1997

The most reactive among the halogens is

A

fluorine

B

chlorine

C

bromine

D

iodine

Correct Answer: Option A

Explanation

1. Halogens are Group 17 elements in the periodic table. 2. Reactivity of halogens decreases down the group (F > Cl > Br > I). 3. Fluorine (F) is the smallest and most electronegative halogen, making it the most reactive chemical element. 4. Therefore, fluorine is the most reactive among the given halogens.

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