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Why boiling point of ethnol is higher then ether?
The higher boiling point of ethanol compared to ether is due to stronger intermolecular forces in ethanol. Ethanol molecules have hydrogen bonding and dipole-dipole interactions, which require more energy to overcome, leading to a higher boiling point. Ether has weaker van der Waals forces between molecules, resulting in a lower boiling point.
Why ethanol has a higher boiling point than diethyl ether?
Ethanol has a higher boiling point than diethyl ether because ethanol can form hydrogen bonds due to the presence of the hydroxyl group, leading to stronger intermolecular forces. Diethyl ether, on the other hand, cannot form hydrogen bonds and relies on weaker dipole-dipole interactions, resulting in a lower boiling point.
Explain why 1 mole of diethyl ether reguires less heat to vapourize than is required to vapourize 1 mole of ethanol?
Diethyl ether has weaker intermolecular forces than ethanol, so less energy is required to break these forces and vaporize it. As a result, diethyl ether vaporizes more easily and at a lower temperature compared to ethanol.
Which has the lower freezing point oxygen or ethanol and why?
Oxygen has a lower freezing point than ethanol. This is because the intermolecular forces in oxygen molecules are weaker than in ethanol molecules, allowing oxygen to freeze at a lower temperature.
Why does bromine have lower bond enthalpy energy than chlorine?
Bromine has lower bond enthalpy energy than chlorine because bromine has larger atoms with more electron shielding, which results in weaker bonding forces. Additionally, bromine has a longer bond length compared to chlorine, which contributes to a lower bond enthalpy energy.
Which fluid evaporated more quickly water or ethanol explain why?
Ethanol is evaporated faster because the enthalpy of vaporization is lower.
Why methanol boil at high temperature than dimethyl ether?
bcoz of the intermolecular hydrogen bonding in methyl alcohol the vapour pressure of the molecule equalises the atmospheric pressure at higher temperatures. there is no hydrogen bonding in dimethyl ether and hence the molecule escapes at relatively lower temperatures.
Why does surgical spirit evaporate faster than water?
The ethanol enthalpy of vaporization is lower compared to water.
Why boiling point of ethnol is higher then ether?
The higher boiling point of ethanol compared to ether is due to stronger intermolecular forces in ethanol. Ethanol molecules have hydrogen bonding and dipole-dipole interactions, which require more energy to overcome, leading to a higher boiling point. Ether has weaker van der Waals forces between molecules, resulting in a lower boiling point.
Why ethanol has a higher boiling point than diethyl ether?
Ethanol has a higher boiling point than diethyl ether because ethanol can form hydrogen bonds due to the presence of the hydroxyl group, leading to stronger intermolecular forces. Diethyl ether, on the other hand, cannot form hydrogen bonds and relies on weaker dipole-dipole interactions, resulting in a lower boiling point.
Explain why 1 mole of diethyl ether reguires less heat to vapourize than is required to vapourize 1 mole of ethanol?
Diethyl ether has weaker intermolecular forces than ethanol, so less energy is required to break these forces and vaporize it. As a result, diethyl ether vaporizes more easily and at a lower temperature compared to ethanol.
Is ionisation enthalpy of potassium higher than that of sodium?
The ionisation enthalpy of potassium is lower than that of sodium.
Which has the lower freezing point oxygen or ethanol and why?
Oxygen has a lower freezing point than ethanol. This is because the intermolecular forces in oxygen molecules are weaker than in ethanol molecules, allowing oxygen to freeze at a lower temperature.
Why does bromine have lower bond enthalpy energy than chlorine?
Bromine has lower bond enthalpy energy than chlorine because bromine has larger atoms with more electron shielding, which results in weaker bonding forces. Additionally, bromine has a longer bond length compared to chlorine, which contributes to a lower bond enthalpy energy.
Why oxygen has a lower freezing point then ethanol?
Oxygen has a lower freezing point than ethanol because the molecular structure of oxygen is simpler, with weaker intermolecular forces between oxygen molecules compared to the ethanol molecules. This results in oxygen being a gas at room temperature and having a lower freezing point than ethanol, which is a liquid.
What will boil first water or alcohol?
I assume that by "boils faster" you really mean "boils at a lower temperature", and that by "alcohol" you mean "ethanol". Ethanol has a lower boiling temperature than water at standard pressure. However, a mixture of ethanol and water boils lower than either by themselves do. This is called an "azeotrope" and it happens for ethanol/water mixtures at about 95% ethanol, which is why it's essentially impossible to get ethanol to more than 190 proof by distillation alone.
Does bromine melt at a lower temperature than ethanol?
Yes, bromine melts at a lower temperature than ethanol. Bromine has a melting point of -7.2 degrees Celsius, while ethanol melts at -114 degrees Celsius.
