Question

HCl, HBr and HI are all extremely corrosive acids. They are also all part of the same group the Halogens and completely separate when mixed with water. The only one in the group that doesn’t act as strong acid is HF. What make fluorine different from chlorine, bromine, and iodine?

Answer 1

Fluorine different from chlorine, bromine, and iodine,because it is the most electronegative and reactive element in the periodic table.

What is a periodic table ?

The periodic table is an organization of all known elements in order of increasing atomic number and repeating chemical characteristics.

They are organized in a tabular format, with a row representing an era and a column representing a group.

Elements are ordered in increasing atomic number order from left to right and top to bottom.

Elements of the same group will have the same valence electron configuration and, as a result, will have comparable chemical characteristics.

Elements in the same period, on the other hand, will have an increasing order of valence electrons. Fluorine,chlorine, bromine, and iodine are halogens.

Hence,fluorine different from chlorine, bromine, and iodine because it is the most electronegative and reactive element in the periodic table.

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Answer 2

Fluorine is most electronegative element and halogen in periodic table

• The tendency of attraction towards electrons is highest for Fluorine.

In HF

• There is a single bond between H and F
• The electronegative nature of Fluorine makes the bond stronger and it's hard for H to get out of bond to give H+
• Hence it's a very weak acid .