SSC CHSL Model Paper 7

Question : 83 of 100

Marks: +1, -0

The most reactive among the halogens is

Solution:

Fluorine is the most reactive among all halogens. However the reactivity deceases from

F_2

I_2

(from top to bottom of group) may be attributed to
(1) Low dissociation enthalpies
(2) High electron affinities

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