JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 – 2019

The average concentration of SO2 in the atmosphere over a city on a certain day is 10 ppm, when the average temperature is 298 K. Given that the solubility of SO2 in water at 298 K is 1.3653 mol litre^-1 and the pKa of H2SO3 is 1.92, estimate the pH of rain on that day. [...]

The solubility of Pb(OH)2 in water is 6.0 × 10^-6 M. The solubility of Pb(OH)2 in a buffer solutions of pH = 8 The solubility of Pb(OH)2 in water is 6.0 × 10^-6 M. The solubility of Pb(OH)2 in a buffer solutions of pH = 8 June 2, 2021 Category: Chapter 7 - Equilibrium , [...]

500 mL of 0.2M aqueous solution of acetic acid is mixed with 500mL of 0.2HCI at 250∘C. Calculate the degree of dissociation of acetic acid in the resulting solution and pH of the solution. 500 mL of 0.2M aqueous solution of acetic acid is mixed with 500mL of 0.2HCI at 250∘C. Calculate the degree of [...]

0.1 M of HA is titrated with 0.1 M NaOH, calculate the pH at end point. Given Ka(HA)=5×10^-6 and α 0.1 M of HA is titrated with 0.1 M NaOH calculate the pH at end point. Given Ka(HA)=5×10^-6 and α June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains [...]

In 1 L saturated solution of AgCl [Ksp(AgCl) = 1.6 × 10^−10] 0.1 mol of CuCl [Ksp(CuCl) = 1.0 × 10^−6] is added. The resultant concentration of Ag+ in the solution is 1.6×10^−x. The value of “x” is In 1 L saturated solution of AgCl [Ksp(AgCl) = 1.6 × 10^−10] 0.1 mol of CuCl [Ksp(CuCl) [...]

Amongst the following, the total number of compounds whose aqueous solution turns red litmus paper blue is: Amongst the following the total number of compounds whose aqueous solution turns red litmus paper blue is: June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions [...]

The molar conductivity of a solution of a weak acid HX(0.01M) is 10 times smaller than the molar conductivity of a solution of a weak acid HY(0.10M). If λ∘X−=λ∘Y−, the difference in their pKa values, pKa(HX)−pKa(HY), is (consider degree of ionisation of both acids to be is (consider degree of ionisation of both acids to [...]

The solubility of a salt of weak acid (AB) at pH 3 is Y×10^−3 mol L^−1. The value of Y is ____. (Given that the value of solubility product of AB (Ksp)=2×10^−10 and the value of ionization constant of HB (Ka)=1×10^−8) At 90∘C pure water has [H3O+] as 10^−6 mol L^−1. What is the value [...]

Which of the following statement(s) is (are) correct ? (a) The pH of 1.0 x 10^-8 M solution of HCl is 8 Which of the following statement(s) is (are) correct ? (a) The pH of 1.0 x 10^-8 M solution of HCl is 8 June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , [...]

A buffer solution can be prepared from a mixture of A buffer solution can be prepared from a mixture of June 2, 2021 Category: Chapter 7 - Equilibrium , Chemistry , JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 ,