what is reaction in between maleic acid and thioacetic acid
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Ethanoic acid is weaker because it has more alkyl groups than formic acid. Alkyl groups have an electron pushing effect as carbon is more electronegative than hydrogen, thus the electrons of the C-O sigma bond are pushed towards the oxygen atom making it more delta negative and the electrons of the O-H bond will be pushed towards the hydrogen atom making it less delta positive. This also means that the electrons in the O-H bond are closer to the middle of the bond (as they are pushed away from the oxygen atom) so the bond is less polar covalent and more pure covalent therefore it is stronger and requires more energy to break down. This means that ethanoic acid is less capable at donating a H+ ion/accepting a pair of electrons, so it does not dissociate/ionise as completely in solution (so the equilibrium CH5COOH <=> CH5COO- + H+ lies further to the left) and there are less H+ ions in the solution, so the solution is less acidic as the pH of the solution is higher
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