Answers: 2
is an acid with a proton extra in its compound which makes it more acidic and rich in proton, while 
is found to be the conjugate base of 
as it does not contains the 
ions.
both are acids, and the last option where both 
can be considered as bases.
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Consider the reaction below. nh4+ + h2o → nh3 + h3o+ which is an acid-conjugate base pair?...
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