For poly basic acid , the dissociation constant have a different valves for each step. `H_(3)AhArrH^(+)+A,Keq=Ka_(1)` `H_(2)AhArrH^(+)+A^(-2),Keq=Ka_(2)` `HA^(2)hArrH^(+)+A^(3-),Keq=Ka_(3)` What is the observed trend of dissociation constant im successive stages ?A. `Ka_(1)gtKa_(2)gtKa_(3)`B. `Ka_(1)=Ka_(2)=Ka_(3)`C. `Ka_(1)ltKa_(2)ltKa_(3)`D. `Ka_(1)=Ka_(2)+Ka_(3)`

For poly basic acid , the dissociation constant have a different valve

1.	For poly basic acid , the dissociation constant have a different valves for each step. `H_(3)AhArrH^(+)+A,Keq=Ka_(1)` `H_(2)AhArrH^(+)+A^(-2),Keq=Ka_(2)` `HA^(2)hArrH^(+)+A^(3-),Keq=Ka_(3)` What is the observed trend of dissociation constant im successive stages ?A. `Ka_(1)gtKa_(2)gtKa_(3)`B. `Ka_(1)=Ka_(2)=Ka_(3)`C. `Ka_(1)ltKa_(2)ltKa_(3)`D. `Ka_(1)=Ka_(2)+Ka_(3)`
Answer» Correct Answer - A

Discussion

No Comment Found

Related InterviewSolutions

Which of the following statements are correct about barbiturates (a) Hyphotics or sleep producing agents (b) These are tranquilizers (c ) Non-narcotic analgesics (d) Pain reducing without disturbing the nervous systemA. a,bB. a,b,cC. b,cD. c,d
Which of the following is food preservatives : (a) Salt of sorbic acid (b) Sodium benzoate (c ) Ethyl benzoate (d) AlcoholA. a,b,dB. a,b,cC. c,dD. a,d
Which of the following KF in the solution of HF :-A. `1M H_(2)S`B. `M H_(2)O`C. `1MH_(2)Se`D. `1M H_(2)Te`
Which among the following can exhibit cis-trans isomerismA. `CoCl_(3).4NH_(3)`B. `CoCl_(3).6NH_(3)`C. `CoCl_(3).5NH_(3)`D. All of these
In a saturated aqueous solution of AgBr, concentration of `Ag^(+)` ion is `1xx10^(-6)` mol `L^(-1)` it `K_(sp)` for AgBr is `4xx10^(-13)`, then concentration of `Br^(-)` in solution isA. `1xx10^(-6)mol" "L^(-1)`B. `4xx10^(-8)mol" " L^(-1)`C. `4xx10^(-7)mol" " L^(-1)`D. `4xx10^(-19)mol" " L^(-1)`
Identify the end product : `CH_(3)CH_(2)CH_(2)CHOoverset(Ammonical AgNO_(3))(to)Xoverset(NaHCO_(3))(to)Yunderset(Delta)overset(NaOH+CaO)(to)Z`A. `CH_(3)-CH_(2)CH_(2)-COOH`B. `CH_(3)-CH_(2)-CH_(2)-CH_(3)`C. `CH_(3)-CH_(2)-COOH`D. `CH_(3)-CH_(2)-CH_(3)`
In the following series of chemical reaction. Identify Z : `C_(3)H_(7)OHunderset(170^(@)C)overset(Conc.H_(2)SO_(4))(to)Xoverset(Br_(2))(to)Yunderset((II)"l eq".)NaNH_(2)overset((I)Alc.KOH)(to)Z`A. `CH_(3)-underset(NH_(2))underset(|)(CH)-underset(NH_(2))underset(|)(CH_(2))`B. `CH_(3)-underset(OH)underset(|)(CH)-underset(OH)underset(|)(CH_(2))`C. `CH_(3)-underset(OH)underset(|)(C)-CH_(2)`D. `CH_(3)-C-=CH`
Aniline `underset(o-5^(@)C)overset(NaNO_(2)+HCl)(to)Xoverset(N,N-"Dimeanline")(to)Y` (a coloured product) The structure of Y would be :A. B. C. D.
Which of the following does not react with `(I_(2)+NaOH)` or NaOI :A. `CH_(3)-CHO`B. `CH_(3)-CH_(2)-CHO`C. `CH_(3)-CH_(2)-OH`D. `CH_(3)-underset(O)underset(||)C-CH_(3)`
Give eletrophilicity order of following carbonyl compounds (I) Benzaldehyde (II) p-Tolualdehyde (III) P-Nitrobenzaldehyde (IV) AcetophenoneA. `IgtIVgtIIIgtII`B. `IIIgtIgtIIgtIV`C. `IVgtIIgtIgtIII`D. `IIgtIVgtIgtIII`

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment