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Why does hydrogen iodide have a higher boiling temperature than hydrogen bromide?
There is no hydrogen bonding in HBr and HI. The intermolecular forces are London dispersion forces- HI has more electrons, so more instantaneous induced dipole-dipole interaction- more intermolecular force- and therefore a higher boiling point.
Which is the most volatile halogen acid?
Hydrochloric acid (HCl) is considered the most volatile halogen acid compared to the other halogen acids such as hydrofluoric acid (HF), hydrobromic acid (HBr), and hydroiodic acid (HI). This is because HCl has a lower boiling point and higher vapor pressure, making it more likely to evaporate and form vapors at room temperature.
Which compound below has the lowest boiling point at standard pressure AlI3 NaI MgI2 HI?
NaI has the lowest boiling point at standard pressure because it is a molecular compound with weaker intermolecular forces compared to the other compounds listed, which are all ionic compounds. Ionic compounds generally have higher boiling points due to stronger electrostatic interactions between ions.
Which is the strongest acid among HFHClHBr and HI?
HI is the strongest acid among HF, HCl, HBr, and HI. This is because the strength of an acid increases as the size of the atom bonded to hydrogen increases down the halogen group. HI has the largest atom size and the weakest halogen bond, making it the strongest acid.
Why is HI more stronger acid than HCl?
Iodine is larger in size so makes weaker bond with hydrogen and HI easily ionizes in water and is strong acid while HCl bond is relatively strong and not broken down easily in water as compare to HI.
Why is the boiling point of HI higher than HBr?
This is to do with the intermolecular forces in the two compounds. There are no hydrogen bonds between the molecules of either compound, since Br and I are not electronegative enough to polarise the molecules sufficiently. But since HI molecules contain more electrons than HBr, there are increased van der Waals forces in HI. For the same reason HBr has a higher boiling point than HCl, but HF has a higher boiling point than HCl, HBr or HI because of hydrogen bonding.
Which has a higher boiling point HI or HF?
HF is electronegative compared to O2. HF has delta plus and delta minus creating a dipole moment, it is a polar molecule therefore it has a higher boiling point. O2 which is symmetrical and non polar (looks like O=O) and therefore has no dipole moment.
Which member of of theawe pairs of substances would you expect to have a higher boiling point a o2 or n2 b so2 or CO2 c hf or hi?
a) O2 would have a higher boiling point than N2 since it experiences London dispersion forces in addition to its higher molecular weight. b) SO2 would have a higher boiling point than CO2 due to its ability to form stronger dipole-dipole interactions and London dispersion forces. c) HF would have a higher boiling point than HI due to hydrogen bonding, which is stronger than the dipole-dipole interactions present in HI.
Why does hydrogen iodide have a higher boiling temperature than hydrogen bromide?
There is no hydrogen bonding in HBr and HI. The intermolecular forces are London dispersion forces- HI has more electrons, so more instantaneous induced dipole-dipole interaction- more intermolecular force- and therefore a higher boiling point.
Which is the most volatile halogen acid?
Hydrochloric acid (HCl) is considered the most volatile halogen acid compared to the other halogen acids such as hydrofluoric acid (HF), hydrobromic acid (HBr), and hydroiodic acid (HI). This is because HCl has a lower boiling point and higher vapor pressure, making it more likely to evaporate and form vapors at room temperature.
Which compound below has the lowest boiling point at standard pressure AlI3 NaI MgI2 HI?
NaI has the lowest boiling point at standard pressure because it is a molecular compound with weaker intermolecular forces compared to the other compounds listed, which are all ionic compounds. Ionic compounds generally have higher boiling points due to stronger electrostatic interactions between ions.
Which is the strongest acid among HFHClHBr and HI?
HI is the strongest acid among HF, HCl, HBr, and HI. This is because the strength of an acid increases as the size of the atom bonded to hydrogen increases down the halogen group. HI has the largest atom size and the weakest halogen bond, making it the strongest acid.
Why is HI more stronger acid than HCl?
Iodine is larger in size so makes weaker bond with hydrogen and HI easily ionizes in water and is strong acid while HCl bond is relatively strong and not broken down easily in water as compare to HI.
What is an acid with one hydrogen?
Examples are: HCl, HNO3, HF, HI.
Which is most polar HBr HCl HI?
HI is the most polar among HBr, HCl, and HI because iodine (I) is larger and more electronegative than bromine (Br) and chlorine (Cl), leading to a greater electronegativity difference between hydrogen and iodine in HI.
Strongest acid HCl H2O HI H2S ranking weakest to strongest?
Weakest to strongest: H2O, HCl, H2S, HI. This ranking is based on the strength of the acids determined by their ability to donate protons. HI is the strongest acid in the list due to its highly polar bond between hydrogen and iodine, making it the easiest to dissociate and donate protons.
Which is the fourth strong acid?
Hydrochloric acid.HClO4 >> HI >> HBr >> HCl >> H2SO4
