Chemistry
Assertion Solubility of sparingly soluble salt decreases due to common ion effect. Reason Solubility product constant does not depend on common ion effect.
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Nov
Assertion Solubility of sparingly soluble salt decreases due to common ion effect. Reason Solubility product constant does not depend on common ion effect. Assertion Solubility of sparingly soluble salt decreases due to common ion effect. Reason Solubility product constant does not depend on common ion effect. November 18, 2020 Category: Chapter 6 - Ionic Equilibrium [...]
Assertion Sparingly soluble salts AB and XY2 with the same solubility product, will have different solubility. Reason Solubility of sparingly soluble salt depend upon solubility product.
18
Nov
Assertion Sparingly soluble salts AB and XY2 with the same solubility product, will have different solubility. Reason Solubility of sparingly soluble salt depend upon solubility product. Assertion Sparingly soluble salts AB and XY2 with the same solubility product will have different solubility. Reason Solubility of sparingly soluble salt depend upon solubility product. November [...]
Statement 1 : In an acid-basic titration involving a strong base and a weak acid, methyl orange can be used as an indicator. Statement 2 : Methyl red changes its colour in the pH range 4.2 to 6.3.
18
Nov
Statement 1 : In an acid-basic titration involving a strong base and a weak acid, methyl orange can be used as an indicator. Statement 2 : Methyl red changes its colour in the pH range 4.2 to 6.3. methyl orange can be used as an indicator. Statement 2 : Methyl red changes its colour in [...]
Statement 1 : When 0.1 m weak diprotic acid h2a dissociates with its dissociated constant ka1 = 10^3, then Ka2 = 10^8, then A^2- is almost equal to 10^3 M. Statement 2 : Since Ka2
18
Nov
Statement 1 : When 0.1 m weak diprotic acid h2a dissociates with its dissociated constant ka1 = 10^3, then Ka2 = 10^8, then A^2- is almost equal to 10^3 M. Statement 2 : Since Ka2 Statement 1 : When 0.1 m weak diprotic acid h2a dissociates with its dissociated constant ka1 = 10^3 then A^2- [...]
Assertion : In a titration of weak acid with strong base, the pH at the half equivalence point is pKa Reason : At half equivalence point, it will form acidic buffer at it’s maximum capacity where [acid] = [salt]
18
Nov
Assertion : In a titration of weak acid with strong base, the pH at the half equivalence point is pKa Reason : At half equivalence point, it will form acidic buffer at it’s maximum capacity where [acid] = [salt] Assertion : In a titration of weak acid with strong base it will form acidic buffer [...]
Statement-1: pH value of acidic buffer solution changes , If buffer solution is diluted up to very large extent. Statement-2: [H+] decreases due to change in concentration as well as α increases and decreases in concentration is more as compared to increases in α .
18
Nov
Statement-1: pH value of acidic buffer solution changes , If buffer solution is diluted up to very large extent. Statement-2: [H+] decreases due to change in concentration as well as α increases and decreases in concentration is more as compared to increases in α . Statement-1: pH value of acidic buffer solution changes To what [...]
What is the concentration of CH3COOH(aq.) in a solution prepared by dissolving 0.01 mole of NH+4CH3COO− in 1 L H2O? [Ka(CH3COOH)=1.8×10^−5),Kb(NH4OH)=1.8×10^−5]
18
Nov
What is the concentration of CH3COOH(aq.) in a solution prepared by dissolving 0.01 mole of NH+4CH3COO− in 1 L H2O? [Ka(CH3COOH)=1.8×10^−5),Kb(NH4OH)=1.8×10^−5] Kb(NH4OH)=1.8×10^−5] What is the concentration of CH3COOH(aq.) in a solution prepared by dissolving 0.01 mole of NH+4CH3COO− in 1 L H2O? [Ka(CH3COOH)=1.8×10^−5) November 18, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and [...]
Calcium lactate is a salt of weal organic acid and strong base represented as Ca(LaC)2. A saturated solution of Ca(LaC)2 contains 0.6 mole in 2 litre solution. pOH of solution is 5.60. If 90% dissociation of the salt takes place then what is pKa of lactic acid?
18
Nov
Calcium lactate is a salt of weal organic acid and strong base represented as Ca(LaC)2. A saturated solution of Ca(LaC)2 contains 0.6 mole in 2 litre solution. pOH of solution is 5.60. If 90% dissociation of the salt takes place then what is pKa of lactic acid? To what volume of 10 litre of 0.5 [...]
H3A is a weak triprotic acid (Ka1=10^−5, Ka2 = 10^−9, Ka3 = 10^−13 What is the value of pX of 0.1 M H3A (aq.) solution ? Where pX=-log X and X=[A^3−]/[HA^2−]
18
Nov
H3A is a weak triprotic acid (Ka1=10^−5, Ka2 = 10^−9, Ka3 = 10^−13 What is the value of pX of 0.1 M H3A (aq.) solution ? Where pX=-log X and X=[A^3−]/[HA^2−] H3A is a weak triprotic acid (Ka1=10^−5 Ka2 = 10^−9 Ka3 = 10^−13 What is the value of pX of 0.1 M H3A (aq.) [...]
If first dissociation of X(OH)3 is 100% whereas second dissociation is 50% and third dissociation is negligible then the pH of 4×10^−3 M X(OH)3 is :
18
Nov
If first dissociation of X(OH)3 is 100% whereas second dissociation is 50% and third dissociation is negligible then the pH of 4×10^−3 M X(OH)3 is : If first dissociation of X(OH)3 is 100% whereas second dissociation is 50% and third dissociation is negligible then the pH of 4×10^−3 M X(OH)3 is : November [...]