Which will make basic buffer?

Which among the following salt solutions is basic in nature?

The solubility product for a salt of the type AB is What is the molarity of its standard solution?

For the reaction At a given time, the composition of reaction mixture is :
Then, which of the following is correct?

In which of the following equilibria,

Consider the following reaction in a sealed vessel at equilibrium with concentrations of

The of dimethylamine and of acetic acid are 3.27 and 4.77 respectively at T(K).
The correct option for the pH of dimethyl ammonium acetate solution is:

The pH of the solution containing 50 mL each of 0.10 M sodium acetate and 0.01 M acetic acid is [Given pKa of CH_₃COOH = 4.57]

Which of the following salts will give highest pH in water ?