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Question

Fluorine reacts with water to give ?


A

hydrogen fluoride and oxygen

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B

hydrogen fluoride and ozone

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C

hydrogen fluoride and oxygen fluoride

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D

hydrogen fluoride, oxygen and ozone

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Solution

The correct option is D

hydrogen fluoride, oxygen and ozone


The explanation for the correct option:

Option (D) - Hydrogen fluoride, oxygen, and ozone

  • Fluorine reacts with water to give the products like hydrogen fluoride, oxygen, and ozone.
  • As fluorine is the most electronegative halogen in its respective group so its reaction with water is different from other halogens.
  • The reaction of fluorine with water is as follows,

2F2(g)(Fluorine)+2H2O(l)(Water)4HF(aq)(Hydrogenfluoride)+O2(g)(Oxygen)3F2(g)(Fluorine)+3H2O(l)(Water)6HF(aq)(Hydrogenfluoride)+O3(g)(Ozone)

Explanation for the incorrect option:

Option(A) : Hydrogen fluoride and oxygen

  • Fluorine reacts with water to give the products like Hydrogen Fluoride, Oxygen, and Ozone.
  • Both Oxygen and Ozone along with Hydrogen fluoride have been formed as the product.
  • In option (A), not all the products have been given.

Options (B) : Hydrogen fluoride and ozone

  • Fluorine reacts with water to give the products like Hydrogen fluoride, Oxygen, and Ozone.
  • But in option B, not all the respective products have been given.

Options (C): Hydrogen fluoride and Oxygen fluoride

  • When we react fluorine with water it gives the products as hydrogen fluoride, oxygen, and ozone.
  • Hydrogen fluoride and oxygen fluoride are not the respective products for the given reaction.

Hence, fluorine reacts with water to give hydrogen fluoride, oxygen, and ozone (Option D).


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