Home
Class 12
CHEMISTRY
Select the correct statement(s). I Ki...

Select the correct statement(s).
I Kinetic energy is zero at `0^@C`
II.RMS velocity of `O_2` at `27^@C` is =` sqrt( (3 xx 8.314 xx 300)/(32) ) ms^(-1)`
III. Distribution of molecules is very small when `u to 0` or ` u to oo`
The correct choice is:

A

I, II

B

II, III

C

III

D

I, III

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STATES OF MATTER

    VMC MODULES ENGLISH|Exercise IMPECCABLE|50 Videos
  • STATES OF MATTER

    VMC MODULES ENGLISH|Exercise ENABLE|50 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    VMC MODULES ENGLISH|Exercise IN - CHAPTER EXERCISE - H|8 Videos
  • STATES OF MATTER

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE-I|10 Videos

Similar Questions

Explore conceptually related problems

Calculate the kinetic energy of 5 moles of O_2 " at " 0^@C. (R = 8.31 xx 10^7 " ergs " K^(-1) mol^(-1))

Check the correctness of the formula S = ut + 1/3 "at"^2 where S is the distance , u is velocity , a is acceleration and t is time.

Which statement (s) is/are correct about dipole moment (I) Debye is equivalent to 3.33 xx 10^(-30) Cm (II) 1 Debye is equivalent to 10^(-18) esu cm (III) SI unit of dipole moment is coulomb meter (Cm) (1 Cm = q xx d = 1.602 xx 10^(-19) xx 10^(-9) m) (IV) Dipole moment of a molecule is useful to explain the shape of a molecule and also to predict other properties of the molecule .

Calculate the average kinetic energy of oxygen molecule at 0^(@) C. (R=8.314 J mol^(-1) K^(-1),N_(A) = 6.02xx10^(23))

The molecules of a given mass of a gas have rms velocity of 200 m/s at 27^(@)C and 1.0 xx 10^(5) N//m_(2) pressure. When the temperature and pressure of the gas are respectively 127^(@)C and 0.05 xx 10^(5) Nm^(-2) , the rms velocity of its molecules in ms^(-1) is (a) (400)/(sqrt(3)) (b) (100sqrt(2))/(3) (c) (100)/(3) (d) 100sqrt(2)

The molecules of a given mass of a gas have rms velocity of 200 m//s at 27^(@)C and 1.0 xx 10^(5) N//m_(2) pressure. When the temperature and pressure of the gas are respectively 127^(@)C and 0.05 xx 10^(5) Nm^(-2) , the rms velocity of its molecules in ms^(-1) is

The r.m.s. velocity of hydrogen is sqrt(7) times the r.m.s. velocity 1.0 g cm^(-3) and that of water vapors is 0.0006 g cm^(-3) , then the volume of water molecules in 1 L of steam at this temperature is

Three balls A,B and C each of mass m and same size,are placed along same line on smooth horizontal surface.A is given a velocity u towards B as shown.If coefficient of restitution for collision between A and B is (1)/(2) and between B and C is (1)/(3) .Assuming all the collisions to be head on choose the correct options: (A) Final velocity of A is (u)/(4), (B) Final velocity of B is (u)/(4) (C) Final velocity of C is (u)/(2), (D) Total energy loss is (5)/(16)m u^(2)

The density of CO_(2) gas at 0^(@)C and at a pressure of 1.0 xx 10^(5) Nm^(-2) is 1.98 kgm^(-3) . Calculate the root mean square velocity of its molecules at 0^(@)C and 30^(@)C . Assume the pressure to remain constant.

N_(2)O_(4) hArr 2NO_(2), K_(c)=4 . This reversible reaction is studied graphically as shown in the figure. Select the correct statement out of I, II and III . I : Reaction quotient has maximum value at point A II : Reaction proceeds left to right at a point when [N_(2)O_(4)]=[NO_(2)]=0.1 M III : K=Q when point D or F is reached:

VMC MODULES ENGLISH-STATES OF MATTER-EFFICIENT
  1. The density of a gaseous mixture of He and N2 is found to be (10)/(22...

    Text Solution

    |

  2. Select the correct statement(s). I Kinetic energy is zero at 0^@C ...

    Text Solution

    |

  3. 10 " mL of " a gaseous hydrocarbon is exploded with 100 " mL of " oxyg...

    Text Solution

    |

  4. 100 ml of a mixture of methane and acetylene was exploded with excess ...

    Text Solution

    |

  5. A sample of coal gas contains 50% hydrogen, 30% methane, 14% CO and 6%...

    Text Solution

    |

  6. A mixture of 15 ml of CO & CO2 is mixed with V ml (excess) of oxygen a...

    Text Solution

    |

  7. 40 ml of gaseous mixture of CO and ethyne is mixed with 100 ml of O2 ...

    Text Solution

    |

  8. If the pressure of N(2)//H(2) mixture in a closed vessel is 100 atmosp...

    Text Solution

    |

  9. A vessel has N(2) gas and water vapours at a total pressure of 1 atm. ...

    Text Solution

    |

  10. At room temperature mercury has a density of 13.6 g/cc while liquid br...

    Text Solution

    |

  11. Two flasks X and Y have capacity IL and 2L respectively and cach of th...

    Text Solution

    |

  12. The root mean square velocity of one mole of a monoatomic gas having m...

    Text Solution

    |

  13. A 2.24L cylinder of oxygen at 1 atm and 273 K is found to develop a le...

    Text Solution

    |

  14. 2L of SO(2) gas at 760 mm Hg are transferred to 10 L flask containing ...

    Text Solution

    |

  15. A football bladder contains equimolar proportions of H(2) and O(2). Th...

    Text Solution

    |

  16. In an auto engine having no pollution control device 5% of the fuel (C...

    Text Solution

    |

  17. Distribution of molecules with velocity is represented by the curve as...

    Text Solution

    |

  18. Rate of effusion of LPG (a mixture of n-butane and propane) is 1.25 ti...

    Text Solution

    |

  19. 100 mL of O(2) gas diffuse in 10 s . 100 mL of gas . X diffuses in t s...

    Text Solution

    |

  20. A mixture of C(2)H(2) and C(3)H(8) occupied a certain volume at 80 mm...

    Text Solution

    |