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In the equilibrium I! The degree of hydrolysis of solution of the salt is
The correct answer is:
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Chemistry-
The of a buffer solution is 4.745 When 0.044 mole of is added to 1 lit of the buffer, the changes to 4.756 Then the buffer capacity is
The of a buffer solution is 4.745 When 0.044 mole of is added to 1 lit of the buffer, the changes to 4.756 Then the buffer capacity is
Chemistry-General
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2 g of NaOH per 250 ml solution is added to a buffer solution of buffer capacity 0.2 then the change in is
2 g of NaOH per 250 ml solution is added to a buffer solution of buffer capacity 0.2 then the change in is
Chemistry-General
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The of a sample of KOH solution is 12.3979 The weight of solid KOH of 70% pure required to prepare 2.5 lit of this solution is
The of a sample of KOH solution is 12.3979 The weight of solid KOH of 70% pure required to prepare 2.5 lit of this solution is
Chemistry-General
Chemistry-
The molar solubility of in 0.4 M solution interms of solubility product of
The molar solubility of in 0.4 M solution interms of solubility product of
Chemistry-General
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An acidic buffer contains 0.06 M salt and 0.02 M acid The dissociation constant of acid is .The of the buffer solution is
An acidic buffer contains 0.06 M salt and 0.02 M acid The dissociation constant of acid is .The of the buffer solution is
Chemistry-General
Chemistry-
If of A, B, C and D are 9.5, 2.5, 3.5 and 5.5 respectively, the strongest acid is
If of A, B, C and D are 9.5, 2.5, 3.5 and 5.5 respectively, the strongest acid is
Chemistry-General
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The of 0.1M solution of if it ionizes to an extent of 1% is
The of 0.1M solution of if it ionizes to an extent of 1% is
Chemistry-General
Chemistry-
The of normal solutions is nearest to
The of normal solutions is nearest to
Chemistry-General
Chemistry-
What is the minimum concentration of required to precipitate BaSO4 in a solution containing mole of ? of
What is the minimum concentration of required to precipitate BaSO4 in a solution containing mole of ? of
Chemistry-General
Chemistry-
When 0.1 mole of an acid is added to 2 L of a buffer solution, the of the buffer decreases by 0.5 the buffer capacity of the solution is
When 0.1 mole of an acid is added to 2 L of a buffer solution, the of the buffer decreases by 0.5 the buffer capacity of the solution is
Chemistry-General
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100 mL of 0.3 N-Acetic acid solution is mixed with same volume of 0.2 N sodium hydroxide solution Ionisation constant of acetic acid is The pH of the mixture is
100 mL of 0.3 N-Acetic acid solution is mixed with same volume of 0.2 N sodium hydroxide solution Ionisation constant of acetic acid is The pH of the mixture is
Chemistry-General
Chemistry-
The number of ions in 1cc of a solution of =13 is
The number of ions in 1cc of a solution of =13 is
Chemistry-General
Physics-
A parallel combination of two resistors, of 1 each, is connected in series with a 1.5 resistor. The total combination is connected across a 10 V battery. The current flowing in the circuit is
A parallel combination of two resistors, of 1 each, is connected in series with a 1.5 resistor. The total combination is connected across a 10 V battery. The current flowing in the circuit is
Physics-General
Physics-
In circuit shown below, the resistances are given in ohms and the battery is assumed ideal with emf equal to 3 volt. The voltage across the resistance R4 is
In circuit shown below, the resistances are given in ohms and the battery is assumed ideal with emf equal to 3 volt. The voltage across the resistance R4 is
Physics-General
Physics-
The total current supplied to the circuit by the battery is
The total current supplied to the circuit by the battery is
Physics-General