Physical Chemistry PYQ

The pH of a 0.01 M NaOH solution at 25°C is:

The pH of a 0.001 M HCl solution is:

The ideal gas equation relating pressure P, volume V, number of moles n, and temperature T is:

The molarity of pure water is approximately

What is the standard EMF of the cell?

What is the EMF of the cell under the given conditions using the Nernst equation?

The pH of a 0.1 M HCl solution is:

For an isothermal reversible expansion of an ideal gas, which of the following is true?

At equilibrium, the rate of forward reaction is

For a first order reaction, the half-life is 10 minutes. What fraction of reactant remains after 40 minutes?

The standard electrode potential of hydrogen electrode at pH = 7 is:

Which of the following is an intensive property?

The elevation in boiling point of a solution depends on:

The unit of rate constant for a zero order reaction is:

According to Raoults law, the relative lowering of vapor pressure of a solution is equal to: