Advertisements
Advertisements
Indicate the number of unpaired electrons in Kr.
Concept: undefined >> undefined
Write the important conditions required for the linear combination of atomic orbitals to form molecular orbitals.
Concept: undefined >> undefined
Advertisements
Discuss the chemistry of Lassaigne’s test.
Concept: undefined >> undefined
Why is a solution of potassium hydroxide used to absorb carbon dioxide evolved during the estimation of carbon present in an organic compound?
Concept: undefined >> undefined
The concentration of hydrogen ion in a sample of soft drink is 3.8 × 10–3 M. what is its pH?
Concept: undefined >> undefined
The pH of a sample of vinegar is 3.76. Calculate the concentration of hydrogen ion in it.
Concept: undefined >> undefined
It has been found that the pH of a 0.01M solution of an organic acid is 4.15. Calculate the concentration of the anion, the ionization constant of the acid and its pKa.
Concept: undefined >> undefined
Assuming complete dissociation, calculate the pH of the following solution:
0.003 M HCl
Concept: undefined >> undefined
Assuming complete dissociation, calculate the pH of the following solution:
0.005 M NaOH
Concept: undefined >> undefined
Assuming complete dissociation, calculate the pH of the following solution:
0.002 M HBr
Concept: undefined >> undefined
Assuming complete dissociation, calculate the pH of the following solution:
0.002 M KOH
Concept: undefined >> undefined
Calculate the pH of the following solution:
2 g of TlOH dissolved in water to give 2 litre of solution.
Concept: undefined >> undefined
Calculate the pH of the following solutions:
0.3 g of Ca(OH)2 dissolved in water to give 500 mL of solution.
Concept: undefined >> undefined
Calculate the pH of the following solution:
0.3 g of NaOH dissolved in water to give 200 mL of solution.
Concept: undefined >> undefined
Calculate the pH of the following solution:
1mL of 13.6 M HCl is diluted with water to give 1 litre of solution.
Concept: undefined >> undefined
The degree of ionization of a 0.1M bromoacetic acid solution is 0.132. Calculate the pH of the solution and the pKa of bromoacetic acid.
Concept: undefined >> undefined
The pH of 0.005M codeine (C18H21NO3) solution is 9.95. Calculate its ionization constant and pKb.
Concept: undefined >> undefined
The pH of milk, black coffee, tomato juice, lemon juice and egg white are 6.8, 5.0, 4.2, 2.2 and 7.8 respectively. Calculate corresponding hydrogen ion concentration in each.
Concept: undefined >> undefined
If 0.561 g of KOH is dissolved in water to give 200 mL of solution at 298 K. Calculate the concentrations of potassium, hydrogen and hydroxyl ions. What is its pH?
Concept: undefined >> undefined
The solubility of Sr(OH)2 at 298 K is 19.23 g/L of solution. Calculate the concentrations of strontium and hydroxyl ions and the pH of the solution.
Concept: undefined >> undefined
