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I would actually predict the bond to be relatively weak on account of the relatively large size of the si atom leading to a relatively long bond length and hence poor orbital overlap. For example, in sodium bromide, the electronegativity difference is only 1.9, but the average electronegativity between sodium (0.9) and bromine (2.5) is 1.7 which. If you are using comparative bond strengths to determine if a reaction is favorable, you need to consider the bonds in the products as well as those in the reactants

The article by gillespie argues you should avoid the phrase ionic character because ionic and covalent aren't mutually exclusive Even though an electronegativity difference of more than 2.0 generally indicates an ionic bond, the cutoff rises as the average electronegativity of the two combining species rises It's pretty clear from dipole moment in diatomic lif and quantum calculations that ~0.9 electrons are transferred

The electron density is concentrated around the fluorine, leaving the carbon relatively electron poor

This introduces ionic character to the bond through partial charges ($\ce {c^ {δ+}—f^ {δ−}}$) That deals with the thermodynamic parts of reactivity, in the sense that it explains why some reactions with iodine require elevated temperatures for any significant conversion, whereas reactions with. Yes, the finkelstein can work in other solvents, especially with the correct activators You can even do the finkelstein on aromatic rings if you add catalytic copper (i) iodide and a diamine to activate it.

The reaction mechanism is actually While there are some other polymers that have better mechanical or thermal properties, i am not aware of any that have better chemical resistance. 1) the silicon to fluoride bond is polar covalent

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