Table of Contents
Why does HBr have a higher boiling point than HCl?
Bromine is a larger ion than chlorine and thus has stronger Van der Waals forces. Larger amounts of energy (a higher temperature) are required to break these interactions and so the boiling point of HBr is higher than HCl.
Why boiling point of HCl is less than HF as well as HBr?
The H–F bond is therefore highly polarised and strong H-bonds form in this liquid. These are much stronger than dispersion forces and so HF has an anomalously high boiling point. For the same reason HBr has a higher boiling point than HCl.
Does HCl have a lower boiling point than water?
Water molecules have two sites of interactions as opposed to HF which has only one site of interaction. This allows it to have a higher boiling point despite having weaker electronegative differences than HF. HCl is not even really a point of contention because HCl lacks the ability to even form hydrogen bonding.
At what concentration does HCl fume?
Hydrogen chloride acid is a colorless, corrosive, liquid that fumes in air at high concentrations of 25\% or more, and becomes a hydrogen chloride gas forming dense white vapors due to condensation with atmospheric moisture. The vapor is corrosive, and air concentrations above 5 ppm can cause irritation.
Why do HCl and HBr have lower melting and boiling points?
Hence the intermolecular force between the molecules of HF compound increases which causes higher melting and boiling points. But in the case of HCl, HBr, and HI, they can’t form a hydrogen bond. Hence their melting and boiling points are lower than HF.
Why does HF have a higher boiling temperature than HCl?
Since the van der Waals bond is stronger than hydrogen, HF will have a higher boiling temperature. c) The intermolecular bonding for HF is hydrogen, whereas for HCL, the intermolecular bonding is van der Waals. Since the hydrogen bond is stronger than van der Waals, HF will have a higher boiling temperature.
What is the boiling point of HCl?
Boiling point for the Acids mentioned is 19.5 °C HF, -85.05 °C HCL, -66 °C HBr and -34 °C for HI. The boiling point of a system depends upon the intermolecular interactions.
What is the boiling point of Hi and HBr?
Boiling point for the Acids mentioned is 19.5 °C HF, -85.05 °C HCL, -66 °C HBr and -34 °C for HI. The boiling point of a system depends upon the intermolecular interactions. Higher the strength of these interactions, higher is the value of boiling point. Now considering the above systems i.e HI, HBr,…