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BITSAT 2010
Exam
BITSAT
Year
2010
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

BITSAT 2010 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The correct order of reactivity of halogens with alkalies is

The correct order of reactivity of halogens with alkalies is

Options

  1. AF>Cl>Br>I\quad \mathrm{F} > \mathrm{Cl} > \mathrm{Br} > \mathrm{I}
  2. BF<Cl>Br<I\quad \mathrm{F}< \mathrm{Cl} > \mathrm{Br}< \mathrm{I}
  3. CF<Cl<Br<I\quad \mathrm{F}< \mathrm{Cl}< \mathrm{Br}< \mathrm{I}
  4. DF<Cl<Br>I\quad \mathrm{F}< \mathrm{Cl}< \mathrm{Br} > \mathrm{I}

Correct answer

A. F>Cl>Br>I\quad \mathrm{F} > \mathrm{Cl} > \mathrm{Br} > \mathrm{I}

Step-by-step solution

Reactivity follows the order F>Cl>Br>I\mathrm{F} > \mathrm{Cl} > \mathrm{Br} > \mathrm{I}
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