Home
Class 11
CHEMISTRY
A metal oxide has the formula A2O3 It ca...

A metal oxide has the formula `A_2O_3` It can be reduced by hydrogen to give free metal and water 0.1596 g of this metal oxide required 6 mg of hydrogen for complete reduction. What is the atomic weight of metal ?

A

52.3

B

57.3

C

55.8

D

59.3

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • HYDROGEN

    PATHFINDER|Exercise QUESTION BANK|77 Videos
  • MOLE AND STOICHIOMETRY-II

    PATHFINDER|Exercise QUESTION BANK|178 Videos

Similar Questions

Explore conceptually related problems

0.56g of a metallic oxide cotains 0.16 of oxygen. Determine the equivalent weight of that metal.

One mole of chlorine combine with certain weight of a metal giving 111 g of its chloride. The same amount of metal can displace 2 g of hydrogen from an acid. The Atomic weight of the metal is

A metallic oxide reacts with water to from its hydroxide, hydrogen peroxide and also liberates oxygen. The metallic oxide could be

The same amount of electricity is passed through acidified water and an aqueous solution of a metal chloride . As a result 7.4L H_(2) , gas at STP in the first case and 21 g metal in the second case are produced . Calculate the equivalent weight of the metal ? If the specific heat of the metal is 0.094 , then find the atomic weight of the metal ?

1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent weight of metal is

A metal oxide has empirical formula M_(0.96)O_(1.00) What will be the percentage of M^(2+) ion in the crystal ?

A compound contains 28g of nitrogn and 72% of metal by weight. In the compound, 3 atoms of metal remains combined with 2 atoms of nitrogen. What is the atomic mass of the metal?

0.635 g of a metal gives on oxidation 0.795g g of its oxide. Calculate the equivalent mass of the metal.

PATHFINDER-MOLE AND STOICHIOMETRY-I-QUESTION BANK
  1. Number of molecules in 1 litre of water is close to

    Text Solution

    |

  2. The percentage of N2 in urea is about

    Text Solution

    |

  3. The V.D of a gas is 11.2 . The volume occupied by one gram of the gas ...

    Text Solution

    |

  4. For 14 g of CO the wrong statement is

    Text Solution

    |

  5. The weight of 112 mL of oxygen at NTP is

    Text Solution

    |

  6. The oxygen obtained from 72 kg of water is

    Text Solution

    |

  7. One mole of CH4 contains

    Text Solution

    |

  8. The total number of electrons in 18 mL of water (density = 1 g . mL^(-...

    Text Solution

    |

  9. The equivalent mass of a certain bivalent metal is 20 . The molecular ...

    Text Solution

    |

  10. A compound has the molecular formula X4O6 If 10 g of X4O6 has 5.72 g X...

    Text Solution

    |

  11. 5 moles of Ba(OH)2 are treated with excess of CO2 How much BaCO3will b...

    Text Solution

    |

  12. A metal oxide has the formula A2O3 It can be reduced by hydrogen to gi...

    Text Solution

    |

  13. How many moles of magnesium phosphate, Mg3(PO4)2 will contain 0.25 mol...

    Text Solution

    |

  14. The number of sodium atom in 2 moles of sodium ferrocyanide is

    Text Solution

    |

  15. Arrange the following in order of increasing mass (atomic mass, O = 16...

    Text Solution

    |

  16. 20.0 kg of N2 (g) and 3.0 kg of H2(g) are mixed to produce NH3(g) form...

    Text Solution

    |

  17. Stoichiometric ratio of sodium dihydrogen orthophosphate and sodium hy...

    Text Solution

    |

  18. Which of the following sets of compounds correctly illustrate the law ...

    Text Solution

    |

  19. If the value of Avogadro number is 6.023 xx 10^23 mol^(-1) and the val...

    Text Solution

    |

  20. A compound H2X with molar weight of 80 g is dissolved in a solvent hav...

    Text Solution

    |