What is the order of covalent character in hf, hcl, hbr,hi?
Answers
The order of covalent character in Hf, Hcl, HBr, Hi is given below:
Explanation:
As we go to bottom from top in the group the covalent character increases. As we go to right from left in periods the covalent character decreases.
We have never seen a dependable source which claim the bonds in Hcl, HBr and Hi are basically distinctively representative. The fact is that these all are gasses at the room temperature.In all the Hydrogen halides the nearly all iconic character is Hf. It has a low boiling point which is below the room temperature, also it is unconventional of all ionic compounds.
The most important thing of all these hydrogen halides is that they are covalent polar molecules, having polarity increasing in the sequence HI < HBr < HCl < HF, as recommend by the electro-negativity differences.
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Arrange the following in order of the increasing covalent character: MCl, MBr, MF, MI (where M = alkali metal).
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The order of covalent character of the given compounds is:
HI < HBr < HCl < HF.
- Due to small size, high electronegativity and high ionization enthalpy, HF is considered almost a covalent bond.
- With the increase in size and decrease in ionization enthalpy, the covalent character decreases.
- So, HCl has less covalent character than HF and HBr has less covalent character than HCl.
- HI has the least covalent character due to the above given reasons.