The highest boiling point beween these compounds: potassium iodide (KI) with
1 330 0C.
Boiling point of HCl: -85,1 0C. Boiling point of HF: 19,5 0C.
HI has a higher boiling point because of the dipole-dipole Intermolecular forces as well as the dispersion forces, which become more evident with molecular weight, which will dominate over the dipole-dipole forces, so HCl has a lower boiloing point.
NaCl has ther highest melting point, as it is a solid at room temeprature. The other are gases and there fore have much lower boiling points and lower again for melting points.
The boiling point of hydrochloric acid will depend on its concentration (when mixed with water). For a solution of about 20%, it's 110 °C (230 °F, 383 K). Higher concentrations boil at lower temperatures. Remember that the fumes and/or vapors of HCl are very dangerous! A link is provided to the Wikipedia article on this dangerous acid. The boiling point of hydrogen chloride (HCl) is -85,1 0C.
Only a liquid can boil. HCl boils at -84.9C
Boiling point of HCl: -85,1 0C. Boiling point of HF: 19,5 0C.
HI has a higher boiling point because of the dipole-dipole Intermolecular forces as well as the dispersion forces, which become more evident with molecular weight, which will dominate over the dipole-dipole forces, so HCl has a lower boiloing point.
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Sodium chloride has a higher boiling point because is a salt with ionic bonds.
NaCl has ther highest melting point, as it is a solid at room temeprature. The other are gases and there fore have much lower boiling points and lower again for melting points.
The boiling point of hydrochloric acid will depend on its concentration (when mixed with water). For a solution of about 20%, it's 110 °C (230 °F, 383 K). Higher concentrations boil at lower temperatures. Remember that the fumes and/or vapors of HCl are very dangerous! A link is provided to the Wikipedia article on this dangerous acid. The boiling point of hydrogen chloride (HCl) is -85,1 0C.
Only a liquid can boil. HCl boils at -84.9C
HCL has a higher boiling point compared to HBr This is due to difference in electronegativity. H - 2.1 Cl - 3.0 Br - 2.8 The difference for HCl is 0.9, the difference for HBr is 0.7. The larger the difference in electronegavity means the stronger the bond. Large difference means greater attraction hence more energy is needed to overcome this bond.
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.
The boiling point of pure HCl is lower than the room temperature.
HCl is usually prepared by dissolving Hydrogen Chloride into water, but as we increase the concentration of HCl its boiling point starts to decrease (10% HCl has boiling point of 103 C and 38% has 48 C), so at concentration over 38 the rate of evaporation becomes so high that extra precautions has to taken for storage and handling (like low temperatures and high pressure), Thats why it is not safe to produce HCl over 40%. And as the rate of evaporation at even 38% is quite high it is called fuming HCl acid.
Yes, it is true: -85,1 0C at 1, 013 bar.