Question

When Br₂ is treated with aqueous solutions of NaF, NaCl
and NaI separately
(a) F₂, Cl₂ and Iv are liberated
(b) only F₂ and Cl₂ are liberated
(c) only I₂ is liberated
(d) only Cl₂ is liberated

Answer 1

Answer:

b

Explanation:

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Answer 2

When Br₂ is treated with aqueous solutions of NaF, NaCl  and NaI separated only I₂ is liberated.

Explanation:

• Bromine present in the group 17 which is a halogen.
• Within this group the elements placed above are displaced below in the redox reaction.

Redox reaction

• In a chemical reaction, the atoms oxidation state were changed. Both reduction and oxidation reaction taken place.

Reaction of bromine

• When Bromine reacts with aqueous solution of NaCl, NaF, NaI are separated, then iodine is liberated.
• Due to less reactivity of bromine than chlorine and iodine. Hence it is displaced.
• When bromine treated with NaI, iodine is displaced due to the reactivity of iodine is more.  

                      $2NaI$ + $Br{2}$ → $2NaBr + I{2}$

To learn more;

1. https://brainly.in/question/15419647
2. https://brainly.in/question/1631623