1.

p^(I) of H_(3)overset(o+)(N)-CH_(2)-COOK is 5H_(3)overset(o+)(N)CH_(2)COOH hArr H_(2)NCH_(2)COO^(-)+H^(+)K_(a)=10^(-4)H_(2)overset(o+)(N)CH_(2)COO^(-)hArr H_(2)NCH_(2)COO^(-)+H^(+)K_(a)=10^(-X) What is x ?

Answer»

`x+y`
` (x+y)//2`
` (x+y)^(1//2)`
` (x+y)^(1//3)`

SOLUTION :` NaH_2 PO_3 ` is AMPHIPROTIC SALT
`PH= ( pK_1 + pK_2)/( 2 )=(x+y)/(2) `


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