N Awasthi Physical Chemistry
What is the hydronium ion concentration of a 0.25 M HA solution (Ka=4×10^−8)
12
Nov
What is the hydronium ion concentration of a 0.25 M HA solution (Ka=4×10^−8) What is the hydronium ion concentration of a 0.25 M HA solution (Ka=4×10^−8) November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Given : Enthalpy of ionization of two acids : △H∘(HCN)=45.2KJmol− △H∘(CH3COOH) = 2.1KJmol− which relationship for the two acids is true ?
12
Nov
Given : Enthalpy of ionization of two acids : △H∘(HCN)=45.2KJmol− △H∘(CH3COOH) = 2.1KJmol− which relationship for the two acids is true ? Given : Enthalpy of ionization of two acids : △H∘(HCN)=45.2KJmol− △H∘(CH3COOH) = 2.1KJmol− which relationship for the two acids is true ? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 [...]
Which is the strongest acid (pKa value is given) ?
12
Nov
Which is the strongest acid (pKa value is given) ? Which is the strongest acid (pKa value is given) ? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Given Ka values of 5.76×10^−10 and 4.8×10^−10 for NH+4 and HCN respectively. What is the equilibrium constant for the following reaction? NH+4(aq.)+CN−(aq.)⇔NH3(aq.)+HCN(aq.)
12
Nov
Given Ka values of 5.76×10^−10 and 4.8×10^−10 for NH+4 and HCN respectively. What is the equilibrium constant for the following reaction? NH+4(aq.)+CN−(aq.)⇔NH3(aq.)+HCN(aq.) Given Ka values of 5.76×10^−10 and 4.8×10^−10 for NH+4 and HCN respectively. What is the equilibrium constant for the following reaction? NH+4(aq.)+CN−(aq.)⇔NH3(aq.)+HCN(aq.) November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 [...]
What change will occur for the following reaction if the hypochlorous acid solution is diluted from 0.1 to 0.01 M? HOCl(aq.)+H2O(l)⇔OCl−(aq.)+H3O+(aq.)
12
Nov
What change will occur for the following reaction if the hypochlorous acid solution is diluted from 0.1 to 0.01 M? HOCl(aq.)+H2O(l)⇔OCl−(aq.)+H3O+(aq.) What change will occur for the following reaction if the hypochlorous acid solution is diluted from 0.1 to 0.01 M? HOCl(aq.)+H2O(l)⇔OCl−(aq.)+H3O+(aq.) November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level [...]
At 90∘C , pure water has [H+] = 10^−6 M. If 100 ml of 0,2 M HCL is added to 200 mL of 0.1 M. KOH at 90∘C then pH of the resulting solution will be.
12
Nov
At 90∘C , pure water has [H+] = 10^−6 M. If 100 ml of 0,2 M HCL is added to 200 mL of 0.1 M. KOH at 90∘C then pH of the resulting solution will be. 2 M HCL is added to 200 mL of 0.1 M. KOH at 90∘C then pH of the resulting [...]
What is the pH of a solution in which 10.0 mL of 0.010 M Sr(OH)_(2) is added to 10.0 mL of 0.010 M HCl?
12
Nov
What is the pH of a solution in which 10.0 mL of 0.010 M Sr(OH)_(2) is added to 10.0 mL of 0.010 M HCl? What is the pH of a solution in which 10.0 mL of 0.010 M Sr(OH)_(2) is added to 10.0 mL of 0.010 M HCl? November 12, 2020 Category: Chapter 6 - [...]
What is the pH of solution in which 25.0 mL of 0.1 M NaOH is added to 25 mL of 0.08 M HCl and final solution is diluted to 500 mL?
12
Nov
What is the pH of solution in which 25.0 mL of 0.1 M NaOH is added to 25 mL of 0.08 M HCl and final solution is diluted to 500 mL? What is the pH of solution in which 25.0 mL of 0.1 M NaOH is added to 25 mL of 0.08 M HCl and [...]
A 25.0 mL. sample of 010 M HCl is titrated with 0.10 M NaOH. What is the pH of the solution at the points where 24.9 and 25.1 mL of NaOH have been added?
12
Nov
A 25.0 mL. sample of 010 M HCl is titrated with 0.10 M NaOH. What is the pH of the solution at the points where 24.9 and 25.1 mL of NaOH have been added? A 25.0 mL. sample of 010 M HCl is titrated with 0.10 M NaOH. What is the pH of the solution [...]
4.0 g of NaOH and 4.9 g of H2SO4 are dissolved in water and volume is made upto 250 mL. The pH of this solution is:
12
Nov
4.0 g of NaOH and 4.9 g of H2SO4 are dissolved in water and volume is made upto 250 mL. The pH of this solution is: 4.0 g of NaOH and 4.9 g of H2SO4 are dissolved in water and volume is made upto 250 mL. The pH of this solution is: November 12, 2020 [...]