NEET Chemistry Gaseous State MCQs Set E

Question. A cylinder of capacity 20 litres is filled with H2 gas. The total average kinetic energy of translatory motion of its molecules is1.5x105 J.The pressure of hydrogen in the cylinder is: a. 2×106 N /m2 b. 3×106 N /m2 c. 4×106 N /m2 d. 5×106 N /m2 Answer : D…

NEET Chemistry Gaseous State MCQs Set D

Question. The energy absorbed by each molecule (A2) of a substance is 4.4×10–19 J and bond energy per molecule is 4.0 ×10–19 J. The kinetic energy of the molecule per atom will be  (a) 4.0×10–20 J (b) 2.0 ×10–20 J (c) 2.2×10–19 J (d) 2.0×10–19 J Answer: B Question…

NEET Chemistry Gaseous State MCQs Set C

  Question. The molar volume of liquid benzene (density = 0.877 g ml–1) increases by a factor of 2750 as it vaporises at 20ºC and that of liquid toluene (density = 0.867 g ml–1) increases by a factor of 7720 at 20ºC. A solution of benzene and toluene at 20ºC has vapour…

NEET Chemistry Gaseous State MCQs Set B

Question. Energy of all molecules of a monoatomic gas having a volume V and pressure P is (3/2)PV. The total translational kinetic energy of all molecules of a diatomic gas as the same volume and pressure is: a. (1/2) PV b. (3/2) PV c. (5/2)…

NEET Chemistry Gaseous State MCQs Set A

Question. If the mean free path of atoms is doubled then the pressure of gas will become: a. P/4 b. P/2 c. P/8 d. P Answer : B Question. Ratio of Cp and Cv of a gas 'X' is 1.4. The number of atoms of the gas 'X' present in 11.2 litres of it at N.T.P. is: a…