## STATES OF MATTER QUIZ-2

IIT JEE exam which consists of JEE Main and JEE Advanced is one of the most important entrance exams for engineering aspirants. The exam is held for candidates who are aspiring to pursue a career in the field of engineering and technical studies. Chemistry is important because everything you do is chemistry! Even your body is made of chemicals. Chemical reactions occur when you breathe, eat, or just sit there reading. All matter is made of chemicals, so the importance of chemistry is that it's the study of everything.

Q2. For the non-zero volume of the molecules, real gas equation for n mol of the gas will be
•  (P+a/V2)V=RT
•  PV=nRT+nbP
•  P(V-nb)=nRT
•  Both (b) and (c) are true
Solution:
Q2.The quantity (PV/KB T) represents
•  Number of molecules in the gas
•  Mass of the gas
•  Number of moles of the gas
•  Translational energy of the gas
Solution:
Q3.  A quantity of gas is collected in a graduated tube over the mercury. The volume of the gas at 20℃ is 50.0 mL and the level of the mercury in the tube is 100 mm above the outside mercury level. The barometer reads 750 mm. Volume at STP is
•  39.8 mL
•  40 mL
•  42 mL
•  60 mL
Solution:
Q4.  X mL of H2 gas effuses through a hole in a container in 5 s. The time taken for the effusion of the same volume of the gas specified below, under identical conditions, is
•  10 s, He
•  20 s, O2
•  25 s, CO
•  55 s, CO2
Solution:
Q5. O2 gas at STP contained in a flask was replaced by SO2 under same conditions. The weight of SO2 will be
•  Equal to that of O2
•  Half that of O2
•  Twice that of O2
•  One-fourth of O2
Solution:
Q6. Which expression gives average speed of gas molecules?
•  √(8RT/M)
•  3RT/M
• [8RT/Ï€ M]1/2
•  8RT/3.14M
Solution:
Q7.The rate of diffusion of methane at a given temperature is twice that of a gas X. The molecular weight of X is
•  64.0
•  32.0
•  4.0
•  8.0
Solution:
Q8.Under similar conditions, which of the following gas will have same value of Î¼rms as CO2?
•  NO
•  C3 H8
•  CO
•  N2
Solution:
Q9.The rate of diffusion of a gas is
•  Directly proportional to its density
•  Directly proportional to its molecular weight
•  Directly proportional to the square root of its molecular weight
•  Inversely proportional to the square root of its molecular weight
Solution:
Q10. Which gas shows real behaviour?
•  8g O2 at STP occupies 5.6L
•  1g H2 in 0.5L flask exerts a pressure of 24.63 atm at 300K
•  1mol NH3 at 300K and 1atm occupies volume 22.4L
• 5.6L of CO2 at STP is equal to 11g
Solution:

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BEST NEET COACHING CENTER | BEST IIT JEE COACHING INSTITUTE | BEST NEET & IIT JEE COACHING: STATES OF MATTER Quiz-2
STATES OF MATTER Quiz-2