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Boiling points
Ammonia (240 K) has a higher boiling point than phosphine (190 K) and then the boiling point increases down the group because of increase in size. In PH 3 and other hydrides, the intermolecular forces are Van der Waals' forces. These van der Waals' forc..
Ammonia (240 K) has a higher boiling point than phosphine (190 K) and then the boiling point increases down the group because of increase in size. In PH 3 and other hydrides, the intermolecular forces are Van der Waals' forces. These van der Waals' forc..Boiling point
The boiling points of alkenes gradually increase with an increase in the molecular mass (or chain length). This indicates that inter-molecular attractions become stronger with an increase in the size of the molecule. Branched chain alkenes have lower boiling poin..
2. Boiling points
Aldehydes and Ketones have relatively high boiling point as compared to hydrocarbons of comparable molecular masses. This is because the aldehydes and ketones contain polar carbonyl group and therefore have stronger intermolecular dipole dipole interactions between the opposite..
Boiling
Vapour pressure measures the tendency for the molecules to escape from liquid to the gas phase. At lower temperatures the vapour pressure of a liquid is much lower than the pressure on the surface of the liquid. When the temperature of the liquid is gradually increased, its vapour pressure also in..
ii) Boiling points
Amines are polar compounds and have higher boiling points than non-polar compounds such as hydrocarbons of some molecular mass. All amines can form hydrogen bonds as protons acceptors by coordination with the lone pair of electrons on the -N atom. But only primary and..
Amines are polar compounds and have higher boiling points than non-polar compounds such as hydrocarbons of some molecular mass. All amines can form hydrogen bonds as protons acceptors by coordination with the lone pair of electrons on the -N atom. But only primary and..Boiling Point of Alcohols and Phenols
Boiling point of alcohols are much higher than those of alkenes, halo alkenes or ethers of comparable molecular masses. This is because in alcohols intermolecular hydrogen bonding exists due to which a large amount of energy is required to break these bonds. Phenols ..
Boiling point of alcohols are much higher than those of alkenes, halo alkenes or ethers of comparable molecular masses. This is because in alcohols intermolecular hydrogen bonding exists due to which a large amount of energy is required to break these bonds. Phenols ..Boiling Point of Alcohols and Phenols
Boiling point of alcohols are much higher than those of alkenes, halo alkenes or ethers of comparable molecular masses. This is because in alcohols intermolecular hydrogen bonding exists due to which a large amount of energy is required to break these bond..
ii) Boiling points
Due to the presence of -C N group in the molecules, they have high dipole moment and consequently possess high melting and boiling points despite lack of hydrogen bondin..
Due to the presence of -C N group in the molecules, they have high dipole moment and consequently possess high melting and boiling points despite lack of hydrogen bondin..Melting and boiling points
The melting and boiling point of alkaline Earth metals are characteristically low and do not show regular trends down the group. However these points are higher than the corresponding alkali metals in the same period as atoms of alkaline Earth metals have smaller size..
The melting and boiling point of alkaline Earth metals are characteristically low and do not show regular trends down the group. However these points are higher than the corresponding alkali metals in the same period as atoms of alkaline Earth metals have smaller size..Melting and boiling points
The melting and boiling points of alkynes increase with molecular mass. Melting boiling points of some alkynes are, Ethyne/acetylene (CH CH), - 83 o C or 190 K Propyne (CH 3 -C CH), - 27 o C or 246 K 1 - Butane (CH 3 -CH 2 -C CH), 8 o C or 281..
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