Chapter 6 – Ionic Equilibrium (Level 1 and Level 2)
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Upon hydrolysis of sodium carbonate, the reaction takes place between:
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Nov
Upon hydrolysis of sodium carbonate, the reaction takes place between: the reaction takes place between: Upon hydrolysis of sodium carbonate November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
The pH values 0.1 M solution of HCOONa (I), HCOOH (II),CH3COONH4 (III), NaOH (IV) HCl (V), will be in the order :
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Nov
The pH values 0.1 M solution of HCOONa (I), HCOOH (II),CH3COONH4 (III), NaOH (IV) HCl (V), will be in the order : CH3COONH4 (III) HCOOH (II) NaOH (IV) HCl (V) The pH values 0.1 M solution of HCOONa (I) will be in the order : November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level [...]
pH of an aqueous NaCl solution at 50^∘C should be :
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Nov
pH of an aqueous NaCl solution at 50^∘C should be : pH of an aqueous NaCl solution at 50^∘C should be : November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
pH of solutions of four sodium salts NaW, NaX, NaX, NaY and NaZ were found to be 7.0, 9.0, 10.0 and 11.0 respectively. If each solution has concentration 0.1 M, the weakest acid is :
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Nov
pH of solutions of four sodium salts NaW, NaX, NaX, NaY and NaZ were found to be 7.0, 9.0, 10.0 and 11.0 respectively. If each solution has concentration 0.1 M, the weakest acid is : 10.0 and 11.0 respectively. If each solution has concentration 0.1 M 9.0 NaX NaY and NaZ were found to be [...]
Which of the following solutions has the highest pH ?
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Nov
Which of the following solutions has the highest pH ? Which of the following solutions has the highest pH ? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
At 25^∘C dissociation constants of acid HA and base BOH in aqueous solution are same. The pH of 0.01 M solution of HA is 5. The pOH of 10^−4 M solution of BOH at the same temperature is :
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Nov
At 25^∘C dissociation constants of acid HA and base BOH in aqueous solution are same. The pH of 0.01 M solution of HA is 5. The pOH of 10^−4 M solution of BOH at the same temperature is : At 25^∘C dissociation constants of acid HA and base BOH in aqueous solution are same. The [...]
Consider the following salts. Which one(s) when dissolved in water will produce a basic solution? 1. RbClO4 , 2. NaNO2 , 3. NH4Cl , 4. NaCl
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Nov
Consider the following salts. Which one(s) when dissolved in water will produce a basic solution? 1. RbClO4 , 2. NaNO2 , 3. NH4Cl , 4. NaCl 2. NaNO2 3. NH4Cl 4. NaCl Consider the following salts. Which one(s) when dissolved in water will produce a basic solution? 1. RbClO4 November 12, 2020 Category: Chapter 6 [...]
Consider the following salts. Which one(s) when dissolved in water will produce an acidic solution? 1. NH4Cl , 2. KHSO4 , 3. NaCN , 4. KNO3
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Nov
Consider the following salts. Which one(s) when dissolved in water will produce an acidic solution? 1. NH4Cl , 2. KHSO4 , 3. NaCN , 4. KNO3 2. KHSO4 3. NaCN 4. KNO3 Consider the following salts. Which one(s) when dissolved in water will produce an acidic solution? 1. NH4Cl November 12, 2020 Category: Chapter 6 [...]
Which of the hydrated species may exist ?
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Nov
Which of the hydrated species may exist ? Which of the hydrated species may exist ? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Selenious acid (H2SeO3), a diprotic acid has Ka1=3.0×10^−3 and Ka2=5.0×10^−8. What is the [OH−] of a 0.30 M solution of selenious acid?
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Nov
Selenious acid (H2SeO3), a diprotic acid has Ka1=3.0×10^−3 and Ka2=5.0×10^−8. What is the [OH−] of a 0.30 M solution of selenious acid? a diprotic acid has Ka1=3.0×10^−3 and Ka2=5.0×10^−8. What is the [OH−] of a 0.30 M solution of selenious acid? Selenious acid (H2SeO3) November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 [...]