Question Answers

Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: 7y^2 – 11/3y – 2/3 Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: 7y^2 – 11/3y – [...]

Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: y^2 + 3/2√5y – 5 Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: y^2 + 3/2√5y – [...]

The salt Al(OH)3 involved in the following two equilibria. Al(OH)3(s)⇔Al3+(aq)+3OH−(aq),Ksp Al(OH)3(s)+OH−(aq)⇔Al(OH)−4(aq),Kc Which of the following relationship is CORRECT at which solubility is minimum? Kc Which of the following relationship is CORRECT at which solubility is minimum? Ksp Al(OH)3(s)+OH−(aq)⇔Al(OH)−4(aq) The salt Al(OH)3 involved in the following two equilibria. Al(OH)3(s)⇔Al3+(aq)+3OH−(aq) November 22, 2020 Category: Chapter 6 - [...]

What is [Ag+] in a solution made by dissolving both Ag2CrO4 and Ag2C2O4 until saturation is reached with respect to both salt ? [Ksp=(Ag2C2O4) = 2 × 10^−11, Ksp(Ag2CrO4) = 2 × 10^−12] Ksp(Ag2CrO4) = 2 × 10^−12] What is [Ag+] in a solution made by dissolving both Ag2CrO4 and Ag2C2O4 until saturation is reached [...]

What is maximum pH required to prevent the precipitation of ZnS in a solution that is 0.01 M ZnCl2 and saturated with 0.10M H2S? [Given : Ksp(ZnS)=10^−21, Ka1×Ka2 (of H2S)=10^−20] Ka1×Ka2 (of H2S)=10^−20] What is maximum pH required to prevent the precipitation of ZnS in a solution that is 0.01 M ZnCl2 and saturated with [...]

Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: v^2 + 4√3v – 15 Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: v^2 + 4√3v – [...]

Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: 2s^2 – (1 + 2√2)s + √2 Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: 2s^2 – [...]

Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: 4x^2 + 5√2x – 3 Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: 4x^2 + 5√2x – [...]

AgBr(s)+2S2O2−3(aq)⇔[Ag(S2O3)2]3−(aq)+Br−(aq) [Ksp(AgBr)=5×10^−13, Kf[Ag(S2O3)2]3−=5×10^13] What is the molar solubility of AgBr in 0.1M Na2S2O3? AgBr(s)+2S2O2−3(aq)⇔[Ag(S2O3)2]3−(aq)+Br−(aq) [Ksp(AgBr)=5×10^−13 Kf[Ag(S2O3)2]3−=5×10^13] What is the molar solubility of AgBr in 0.1M Na2S2O3? November 22, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , Chapter 7 - Equilibrium , N Awasthi Physical Chemistry ,

Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: 2x^2 + 7/2x + 3/4 Find the zeroes of the following polynomials by factorisation method and verify the relations between the zeroes and the coefficients of the polynomials: 2x^2 + 7/2x + [...]