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gen chem

acid and base

QuestionAnswer
arrhenius acid and base acid produce H Base produce OH
Lewis acid and base acid accepts electron base loses electron
bronsted acid and base acid loses proton base gains proton
not all ___ acids are bronsted acids lewis
pH is measured -log [H]
pOH is measured -log[OH]
pH+pOH= 14
10^-3 has pH 3
n x 10^-m m-logn log n is between 0 and 1
weak acid and base partially disassociate in aq soln
Ka formula [prod]*[prod]/[reactants]
smaller kb _____ base weaker
conj base is ____ than conj acid stronger
large ka ________ acid strong
amphoteric acts as either acid or base
in titration color change depicts end pt
equiv pt acid eqiv = base eqiv
hh eqn pH= pKa + log [conj base/ weak acid]
hh eqn pOH pHb = log [conj acid/ weak base]
acids formed from halogens increase acidity increases down the grp
the larger the anoion the weaker the bond therefore stronger acid
in HX compds y does acidity increase down the grp go down the grp the X size increases and forma a weaker bond
strengths of HOX acids increase up grp HOI<HOBr<HOCl<HOF
why does HOX acidity increase up a grp the HO ionizes (gains electron) more readily when bonded to high electroneg atom
more negative pka stronger the acid
more oxygen on HX greater the acidity
HX shortest and strongest bond increases up a grp ( weaker acid)
Created by: smuttz
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