1=127)
Equilibrium constant of T2O (T or 1H3 is an isotope of 1 H1 ) and H2O are different at 298 K. Let at 298 K pure T2O has pT (like pH) is 7.62. The pT of a solution prepared by adding 10 mL of 0.2 M TCl to 15 mL of 0.25 M NaOT is:
17
Nov
Equilibrium constant of T2O (T or 1H3 is an isotope of 1 H1 ) and H2O are different at 298 K. Let at 298 K pure T2O has pT (like pH) is 7.62. The pT of a solution prepared by adding 10 mL of 0.2 M TCl to 15 mL of 0.25 M NaOT is: [...]
Consider the following statement and select correct option: (I) Ksp of Fe(OH)3 in aqueous solution is 3.8×10^−38 at 298 K. The concentration of Fe+ will increase when [H+] ion concentration decreases. (II) In a mixture of NH4Cl and NH4OH in water, a further amount of NH4Cl is added. The pH of the mixture will decreases. (III) An aqueous solution of each of the following salt (NH4I,HCOOK) will be basic, acidic respectively.
17
Nov
Consider the following statement and select correct option: (I) Ksp of Fe(OH)3 in aqueous solution is 3.8×10^−38 at 298 K. The concentration of Fe+ will increase when [H+] ion concentration decreases. (II) In a mixture of NH4Cl and NH4OH in water, a further amount of NH4Cl is added. The pH of the mixture will decreases. [...]
What mass of Agl will dissolve in 1.0 L of 1.0 M NH3? Neglect change in conc. Of NH3. [Given: Ksp(AgI) = 1.5×10^−16), Kf[Ag(NH3)+2] = 1.6×10^7], (At. Mass Ag=108,1=127)
17
Nov
What mass of Agl will dissolve in 1.0 L of 1.0 M NH3? Neglect change in conc. Of NH3. [Given: Ksp(AgI) = 1.5×10^−16), Kf[Ag(NH3)+2] = 1.6×10^7], (At. Mass Ag=108,1=127) (At. Mass Ag=108 1=127) Kf[Ag(NH3)+2] = 1.6×10^7] What mass of Agl will dissolve in 1.0 L of 1.0 M NH3? Neglect change in conc. Of NH3. [...]