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JIPMER 2013
Exam
JIPMER
Year
2013
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

JIPMER 2013 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

When Br_2 is treated with aqueous solutions of NaF, NaCl, NaI...

When Br2\mathrm{Br}_2 is treated with aqueous solutions of NaF,NaCl,NaI\mathrm{NaF}, \mathrm{NaCl}, \mathrm{NaI} separately

Options

  1. AF2,Cl2\mathrm{F}_2, \mathrm{Cl}_2 and I2\mathrm{I}_2 are liberated
  2. Bonly F2\mathrm{F}_2 and Cl2\mathrm{Cl}_2 are liberated
  3. Conly I2\mathrm{I}_2 is liberated
  4. Donly Cl2\mathrm{Cl}_2 is liberated

Correct answer

C. only I2\mathrm{I}_2 is liberated

Step-by-step solution

A halogen of lower atomic number oxidises halide ions of higher atomic number. Br2+2NaI⟶2NaBr+\mathrm{Br}_2+2 \mathrm{NaI} \longrightarrow 2 \mathrm{NaBr}+\mathrm{I}2_2
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