Home
Class 12
CHEMISTRY
In a vessel 2 g of O2 2g Of H2 and 2 g o...

In a vessel 2 g of `O_2` 2g Of `H_2` and 2 g of `N_2` are present. Which has the largest no of atoms?

A

`O_2`

B

`H_2`

C

`N_2`

D

All have equal no of atoms

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALDEHYDES KETONES AND CARBOXYLIC ACID

    MBD PUBLICATION|Exercise QUESTION TYPE|100 Videos

  • BIOMOLECULES

    MBD PUBLICATION|Exercise QUESTION BANK |997 Videos

Similar Questions

Explore conceptually related problems

8 mole of a gas AB_3 are introduced into a 1.0 dm^3 vessel. It dissociates as, 2AB_3 (g) ⇌ A_2 (g) + 3B_2 (g) At equilibrium, 2 mole of A_2 are found ot be present. What is the equilibrium constant of rection ?

The volume of 20 g oh H_2 at STP is :

40% of a mixture of 0.2 mole of N_2 and o.6 mole of H_2 react to give NH_3 according to the equation: N_ 2 ( g ) + 3 H_ 2 ( g ) ⇔ 2 N H_ 3 (g) at constant temperature and pressure. Then what is the ratio of the final volume to the initial volume of gases ?

1.0 g Mg burnt is a closed vessel which contains 0.5 g of O_2 . Which is the limiting reactant ? What is the Mgo formed in the reaction ?

The equilibrium constant for, H_2(g) +CO_2(g) hArr H_2O(g) + CO(g) is 1.80 at 1000^Oc . If 1.0 mole of H_2 and 1.0 mole of CO_2 are placed in one litre flask. What will be the final equilibrium concentration of CO at 1000^Oc ?

Among H_2, N_2, O_2, and F_2 , which one is paramagnetic and why ?

The enthalpies of formation of N_2O and NO are 28 and 90 kJ mol^-1 respectively. The enthalpy of the reactioin, 2N_2O(g)+O_2(g)rarr4NO(g) is equal to:

An equilibrium mixture for the reaction, 2H_2S(g) hArr 2H_2(g) + S_2(g) had 0.5 mole H_2S , 0.10 mole H_2 and 0.4 mole S_2 in one litre vessel. K_c for the reaction is :

An equilibrium mixture for the reaction 2H_2S(g) hArr 2H_2(g)+S_2(g) had 1 mole of hydrogen sulphide, 0.2 mole of H_2 and 0.8 mole of S_2 in 2 litre vessel. The value of K_c is:

The equilibrium constant for the reaction : N_2(g) + O_2(g) → 2NO(g) and 2NO(g) + O_2(g) →2NO_2 are K 1 and K 2 respectively. Then the equilibrium constant for the equilibrium NO 2 ​ (g)⇌ 1/2 ​ N 2 ​ (g)+O 2 ​ (g) ?

MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. Haemoglobin contains 0.33% of iron by weight . The mol. Wt. of haemogl...

    Text Solution

    |

  2. How many grams atoms of S are present in 0.25 g of S

    Text Solution

    |

  3. In a vessel 2 g of O2 2g Of H2 and 2 g of N2 are present. Which has th...

    Text Solution

    |

  4. How many grams of H2SO4 are present in o.25 mole of H2SO4.

    Text Solution

    |

  5. 18 g of water contains :

    Text Solution

    |

  6. The number of atoms in 0.004 g of magnesium is closed to :

    Text Solution

    |

  7. The number of electrons in a mole of hydrogen molecule is :

    Text Solution

    |

  8. One mole of CO2 contains

    Text Solution

    |

  9. The number of moles of BaCO3 Which contains 1.5 moles of oxygen atom i...

    Text Solution

    |

  10. How many moles of KI are required to produce 0.4 moles 0.4 K2HgI4 ?

    Text Solution

    |

  11. Volume of 4.4 g of CO2 at STP is :

    Text Solution

    |

  12. 4.4 g of an unknowm gas occupies 2.24 litres of volume at STP. The gas...

    Text Solution

    |

  13. Which one of the following has the smallest number of molecules ?

    Text Solution

    |

  14. Choose the wrong statement

    Text Solution

    |

  15. Which one of the following contains particle equal to those in 12 g M...

    Text Solution

    |

  16. Calculate the percentage composition of sodium carbonate.

    Text Solution

    |

  17. An organic compound conatins carbon hydrogen and oxygen.1.80 g of the ...

    Text Solution

    |

  18. A compound contains carbon hydrogen and nitrogen in the ratio 18:2:7 C...

    Text Solution

    |

  19. A compound on analysis gave the following percentage composition. Na =...

    Text Solution

    |

  20. What do you understand by empirical formula and molecular formula of a...

    Text Solution

    |