List of top Chemistry Questions on Gas laws asked in MHT CET

Which from following gases is least soluble in water at same temperature and pressure ?

A gas at \(10\,^{\circ}\text{C}\) occupies a volume of 283 mL. if it is heated to \(20\,^{\circ}\text{C}\) keeping the pressure constant. What is the new volume of gas ?

\(V_0\) and \(V_t\) are volumes of an ideal gas at \(0 ^{\circ}\text{C}\) and \(t ^{\circ}\text{C}\) respectively, find ratio \(\frac{V_t}{V_0}\)

At constant temperature, a gas occupies a volume of 200 mL at a pressure of 500 mm Hg. What will be its volume at 800 mm Hg pressure?

Calculate the new pressure of the gas enclosed in a cylinder when it compressed from 5 L to 2 L at 1 atm and 300 K. The final temperature in this process is 500 K.

Calculate the compressibility factor of \(1\) mole of a certain real gas if it occupies \(0.4\text{ dm}^3\) at \(300\) K and \(40\) atm. [R \(= 0.082\) atm \(\text{dm}^3\text{K}^{-1}\text{mol}^{-1}\)]

A gas occupies a volume of \(0.35\) dm\(^3\) at \(290\) K and \(2\) atm. Pressure. Calculate the volume of gas at STP.

A syringe has a volume of \(10.0 \text{cm}^3\) at a pressure of \(1\) atm. If the end is sealed and the plunger is pushed down (constant temperature), what will be the final volume when the pressure becomes \(3.5\) atm?

A gas occupies a volume of $4.2~dm^3$ at $101~kPa$ pressure. What volume will the gas occupy if the pressure is increased to $235~kPa$ keeping the temperature constant?

A certain mass of a gas occupies a volume of \(2.5\ \text{dm}^3\) at NTP. Calculate the change in volume of gas at the same temperature if pressure of gas is changed to \(1.25\ \text{atm}\).

Which of the following equations gives the combined relationship of Boyle's law and Charles's law?

A certain mass of a gas occupies a volume of \(2.5\ \text{dm}^3\) at NTP. Calculate the change in volume of gas at the same temperature, if pressure of gas is changed to \(1.25\ \text{atm}\).

A certain mass of a gas occupies a volume of $2.5~dm^3$ at NTP. Calculate the change in volume of gas at the same temperature, if pressure of gas is changed to $1.25~atm$.

A balloon filled with an air sample occupies 3 L volume at 35°C. On lowering the temperature to T, the volume decreases to 2.5 L. The temperature T is? [Assume p-constant]

A hypothetical galvanic cell is A$_{(s)}$ | A$^+$(1M) || B$^{+2}$(1M) | B$_{(s)}$ and emf of cell is positive. What is the possible cell reaction?

Calculate the equilibrium concentration of Pb$^{2+}$ ions in a solution of PbS containing 1 $\times$ 10$^{-11}$ moldm$^{-3}$ of sulphide ions. (Given $K_{sp}$ for PbS = 8.0 $\times$ 10$^{-28}$)}

The standard emf for cell, Cd$_{(s)}$ | Cd$^{+2}$(1M) || Cu$^{+2}$(1M) | Cu$_{(s)}$ is 0.74 V.
If concentration of Cd$^{+2}_{(aq)}$ and Cu$^{+2}_{(aq)}$ decreases by 10 times at 298 K. Calculate emf of cell.

Which of the following compounds has lowest solubility in water?

Calculate the molal elevation constant of solvent if boiling point of $0.12\text{ m}$ solution is $319.8\text{ K}$ (Boling point of solvent $= 319.5\text{ K}$ )}

Which of the following alkenes is most easily formed by dehydrohalogenation of alkyl halides?

Calculate the molal elevation constant of solvent if boiling point of $0.12\text{ m}$ solution is $319.8\text{ K}$ (Boling point of solvent $= 319.5\text{ K}$ )}

If $\text{E}^o \left( \text{Al}_{(\text{eq})}^{+3} \mid \text{Al}_{(\text{s})} \right) = -1.66 \text{ V}$. What is potential of $\text{Al}_{(\text{s})} \longrightarrow \text{Al}^{+3}(0 \cdot 1\text{M}) + 3\text{e}^-$ at 298 K ?