Morphine (C(17)H(19)NO(3)), Which is use...

Morphine `(C_(17)H_(19)NO_(3)),` Which is used medically to relieve to pain is a base. What is its conjugate acid?

`C_(17)H_(18)NO_(3)^(+)`

`C_(17)H_(18)NO_(3)`

`C_(17)H_(20)NO_(3)^(-)`

`C_(17)H_(20)NO_(3)^(+)`

Text Solution

Verified by Experts

The correct Answer is:

`HX to H^(+) + X^(-)` if, `HX to `acid
then, `X^(-) to ` conjugate base

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The following curve shows the change of pH during the course of titration of weak acid HA with a strong base. At which point in the titration curve is the concentration of acid equal to that of its conjugate base.

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Hydrolysis is an acid-basedreaction of a cation or anion or both ions of a salt with water, Resultan solution of hydrolysis may be acidic, basic or netural. The anion A^(-) which is a weakeer base than OH^(-) and which his its conjugate acid HA stronger then water but weaker than H_(3)O shown the phenomenon of hydrolysis Ex : CH_(3)COO^(-),CN^(-),NO_(2)^(-) etc. The contion B^(+) which is a weaker acid than H_(3)^(+) which is a weaker acid then H_(3)^(+) and which has its conjugate base BOH stronger than water but weak than OH^(-) shown the phenmenon of hydrolysis Ex : NH_(4)^(+)C_(6)H_(5)NH^(+),N_(2)H_(5)^(+) etc. The hydrolysis constant of anion and cation are given by A^(-)(aq.)+H_(2)O(l)hArrHA(aq.)+OH^(-)(aq) " " K_(h)=(K_(w))/(K_(a))rArr([HA(aq.)][OH^(-)(aq.)])/([A^(-)(aq.)]) B^(+)(aq.)+H_(2)O(l)hArrBOH(aq.)+H^(+)(aq.) " " K_(h)=(K_(w))/(K_(b))rArr([BOH(aq.)][H^(+)(aq.)])/([B^(-)(aq.)]) Calculate percentage degreeof hydrolysis in a 0.1 M solution of CH_(3)COONa.(K_(a)"of"CH_(3)COOH=10^(-5))

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