Home
Class 12
CHEMISTRY
The minimunm amount of hydrogen required...

The minimunm amount of hydrogen required to reduce 7.95g of CuO (Mol. mass = 79.5) will be:

A

2g

B

4g

C

2240mL at NTP

D

22400mL at NTP

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STOICHIOMETRY (CHEMICAL FORMULAE AND EQUATIONS )

    OP TANDON|Exercise OBJECTIVE B|31 Videos

  • STOICHIOMETRY (CHEMICAL FORMULAE AND EQUATIONS )

    OP TANDON|Exercise INTEGER ANSWER TYPE QUESTIONS|5 Videos

  • STOICHIOMETRY (CHEMICAL FORMULAE AND EQUATIONS )

    OP TANDON|Exercise Practical Problems|23 Videos

  • SATURATED ALIPHATIC HYDROCARBONS

    OP TANDON|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|7 Videos

  • UNSATURATED HYDROCARBONS

    OP TANDON|Exercise SINGLE INTEGER ANSWER TYPE QUESTIONS|10 Videos

Similar Questions

Explore conceptually related problems

Di-hydrogen reduces CuO to

The number of electrons required to reduce 4.5 xx 10^(–5) g of Al^(+3) is :

The net enthalpy change of a reaction is the amount of energy required to break all the bonds in reactant molecules minus amount of energy required to form all the bonds in the product molecules.What will be the enthalpy change for the following reaction. H_(2)(g) + Br_(2)(g) to 2HBr(g) Given that bond energy of H_(2), Br_(2) and HBr is 435 kJ mol^(-1) , 192 kJ mol^(-1) and 368 kJ mol^(-1) respectively.

The amount of oxalic acid required to prepare 300 mL of 2.5 M solution is : (molar mass of oxalic acid = 90 g mol^(–1) ) :

OP TANDON-STOICHIOMETRY (CHEMICAL FORMULAE AND EQUATIONS )-OBJECTIVE QUESTIONS (LEVEL-A)
  1. At NTP, 10 litre of hydrogen sulphide gas reacted with 10 litre of sul...

    Text Solution

    |

  2. Haemoglobin contains 0.25% iron by weight. The molecular weight of hae...

    Text Solution

    |

  3. The minimunm amount of hydrogen required to reduce 7.95g of CuO (Mol. ...

    Text Solution

    |

  4. 2.0 g mixture of sodium carbonate and sodium bicarbonate on heating to...

    Text Solution

    |

  5. What volume of hydrogen at NTP will be liberated was is 3.25 g of zinc...

    Text Solution

    |

  6. The volume of oxygen at NTP evolved when 1.70 g of sodium nitrate is h...

    Text Solution

    |

  7. 50 g limestone is heated. The quantity of quicklime produced is

    Text Solution

    |

  8. Assuming that petrol is octane (C(8)H(18)) and has a density of 0.8g M...

    Text Solution

    |

  9. One mole of calcium phosphide on reaction with excess of water give:

    Text Solution

    |

  10. Assuming full decomposition, the volume of CO(2) released at STP on he...

    Text Solution

    |

  11. MnO(4)^(2-) (1 mole) in neutral aqueous medium is disproportionate to

    Text Solution

    |

  12. 56 g of nitrogen and 8 g hydrogen gas are heated in a closed vessel. A...

    Text Solution

    |

  13. If 30mL of H(2) and 20mL of O(2), reacts to form H(2)O, what is left a...

    Text Solution

    |

  14. For the formation of 3.65 g of hydrogen chloride gas, what volumes of ...

    Text Solution

    |

  15. An alkaloid contains 17.28% of nitrogen and its molecular mass is 162....

    Text Solution

    |

  16. x gm of CaCO(3), was completely burnt in air. The weight of the the so...

    Text Solution

    |

  17. Sodium bicarbonate on heating decomposes to form sodium carbonate, CO(...

    Text Solution

    |

  18. One mole of acidified K(2)Cr(2)O(7) on reaction with excess of KCl wil...

    Text Solution

    |

  19. The decomposition of cetian mass of CaCO(3) gave 11.2dm^(3) of CO(2) g...

    Text Solution

    |

  20. At T K, 100 litre of dry oxygen is present in a sealed container. It i...

    Text Solution

    |