RRB NTPC Mains or Stage 2 Model Paper 8 with solutions

Question : 93 of 120

Marks: +1, -0

The most reactive among the halogens is

Solution:

(a) 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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