Intramolecular hydrogen bonds occur within different groups of a single molecule (e.g., between the two hydroxyl groups of ethylene glycol). The hydrogen donor and acceptor atoms must be located close to each other within the same molecule. Intermolecular hydrogen bonds occur between two or more ...
One consequence, among many, of this high number of hydrogen bonds is the high boiling point of water; it is difficult to break the hydrogen bonds so that a high temperature (lots of energy) is required for a water molecule to break away from the liquid water to become steam. Upvote ...
It also suggests that the X-HY angle be greater than 110 for an interaction to be characterized as a hydrogen bond but does not provide any rationale for the same. This article reports a rationale for limiting the angle, based on the electron density topology using the quantum theory of ...
How do hydrogen bonds compare with other intermolecular forces? Why are hydrogen bonds weak? Why is it important for hydrogen bonds to be weak? Why is hydrogen bonding only possible with hydrogen? Why does water form hydrogen bonds? What is the difference between intermolecular forces vs int...
Why does phosphate have 5 bonds? Why is energy released in the formation of expertical bonds? Why does hydrogen bonding help ice cubes float? Why is water important in chemical reactions? Why are acids and bases important? Why are water molecules attracted to each other?
rearrangements occur most frequently on secondary carbocations. Simple alkyl primary carbocations aretoo high in energy to formso you don't tend to see a primary carbocation. ... If a secondary carbocation is vicinal to a tertiary carbon bearing a hydrogen, a 1,2- hydride shift should occur...
Hydrogen bonds: why life needs waterS.E. Gould
Why is {eq}CH_4 {/eq} not capable of forming hydrogen bonds?Methane:Methane ({eq}\rm CH_4 {/eq}) is the smallest alkane and commonly found as part of natural gas or as emissions from metabolic processes of methanogenic microorganisms. It is a potent greenhouse gas whose emissions are ...
In ice, the crystalline lattice is dominated by a regular array of hydrogen bonds which space the water molecules farther apart than they are in liquid water. This accounts for water's decrease in density upon freezing. In other words, the presence of hydrogen bonds enables ice to float, bec...
Why is CH4 not capable of forming hydrogen bonds? Why can sugar dissolve in cooking oil? Why can't the Williamson ether synthesis be used to prepare diphenyl ether? Why does sugar dissolve well in water? (a) Would magnesium react with dilute sulfuric acid? (b) Why or why not?