States of Matter · Chemistry · COMEDK
MCQ (Single Correct Answer)
If the molar masses of two chemically non-reacting gases $\mathrm{A}_2$ and $\mathrm{B}_2$ are 28 amu and 32 amu respectively and 0.8 g of $\mathrm{A}_2$ and 0.4 g of $B_2$ are enclosed in a container with a total pressure of 820 mm of Hg , then the partial pressure of $A_2$ in atmosphere unit is $\_\_\_\_$
The behaviour of real gas approaches ideal behaviour at
The ratio of average velocity of a gas molecule to the root mean square velocity at a particular temperature is
What is the molecular mass of X if the rate of diffusion of methane is twice that of X.
What will be the density of N$$_2$$ gas at 230$$^\circ$$C and 3 atm pressure? (R = 0.082 L atm K$$^{-1}$$ mol$$^{-1}$$)
Identify the pair of gases that have equal rates of diffusion
The melting of ice
The density of a gas A is thrice that of a gas B at the same temperature. The molecular weight of gas B is twice that of A. What will be the ratio of pressure acting on B and A?
Gram molecular volume of oxygen at STP is
Dalton’s law of partial pressures is applicable to which one of the following systems?
One mole of oxygen at 273 K and one mole of sulphur dioxide at 546 K are taken in two separate containers, then