Home
Class 12
CHEMISTRY
Suppose elements X and Y combine to form...

Suppose elements `X` and `Y` combine to form two compounds `XY_(2)` and `X_(3)Y_(2)` when 0.1 mole of former weigh `10 g` while 0.05 mole of the latter weigh `9g`. What are the atomic weights of `X` and `Y`.

A

40, 30

B

60.4

C

20, 30

D

30, 20

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPT OF CHEMISTRY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT( SECTION - D) Assertion-Reason Type Questions|15 Videos

  • SOME BASIC CONCEPT OF CHEMISTRY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT( SECTION - B) Objective Type Questions|22 Videos

  • SOLUTIONS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGMENT (SECTION-J) AAKASH CHALLENGERS QUESTIONS|10 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION J (Aakash Challenges Questions)|10 Videos

Similar Questions

Explore conceptually related problems

Suppose elements X and Y combine to form two compounds XY_(2) and X_(3)Y_(2) when 0.1 mole of former weigh 10 g while 0.05 mole of the latter weigh 9g . What are the atomc weights of X and Y .

Suppose two elements X and Y combine to form two compounds XY_(2) and X_(2)Y_(3) when 0.05 mole of XY_(2) weight 5g while 3.011xx10^(23) molecules of X_(2)Y_(3) weight 85g . The atomic masses of X and Y are respectively.

Suppose two elements X and Y combine to form two compound XY_2 and X_2Y_3 weighs 85g . The atomic masses of X and Y are respectively :

P and Q are two element that form P_(2) Q_(3) and PQ_(2) . If 0.15 mole of P_(2) Q_(3) weighs 15.9 g and 0.15 mole of PQ_(2) weighs 9.3 g , what are the atomic weights of P and Q ?

Two elements X and Y combine to form a compound XY. Under what conditions the bond formed between them will be ionic ?

Suppose that A and B form the compounds B_(2)A_(3) and B_(2)A if 0.05 mole of B_(2)A_(3) weighs 9 g and 0.1 mole of B_(2)A weighs 10 g, the atomic weight of A and B respectively are

P and Q arer two elements which form P_(2)Q_(3) and PQ_(2) . If 0.15 mole of P_(2)Q_(3) weights 15.9 g and 0.15 mole og PQ_(2) weighs 9.3 g then, what are atomic weights of P and Q ?

X and Y are two elements which form X_(2)Y_(3) and X_(3)Y_(4) . If 0.20 mol of X_(2)Y_(3) weight 32.0g and 0.4mol of X_(3)Y_(4) weigths 92.8g , the atomic weights of X and Y are respectively

Two elements P and Q combine to form two different compounds in stoichimetric ratios of 1:2 and 1:3.If 0.25 mole of 1^(st) compound weighs 16 g and 0.05 mole of 2^(nd) compound weighs 4 g, then the atomic weighs of P and Q respectively are

The formula of an acid is HXO_2 . The mass of 0.0242 moles of the acid is 1.657g . What is the atomic mass of X ?

Knowledge Check

  • Two elements X and Y combine to form a compound XY. Under what conditions the bond formed between them will be ionic ?

    A
    If the difference in electronegativities of X and Y is 1.7.
    B
    If the difference in electronegativities of X and Y is more than 1.7.
    C
    If the difference in electronegativities of X and Y is less than 1.7.
    D
    If both X and Y are highly electronegative.
    • AAKASH INSTITUTE ENGLISH-SOME BASIC CONCEPT OF CHEMISTRY-ASSIGNMENT( SECTION - C) Previous Years Questions
    1. Suppose elements X and Y combine to form two compounds XY(2) and X(3)Y...

      Text Solution

      |

    2. What is the mass of precipitate formed when 50 mL of 16.9% solution of...

      Text Solution

      |

    3. If Avogadro number N(A) is changed from 6.022xx10^(23) mol^(-1) to 6.0...

      Text Solution

      |

    4. 20.0g of a magnesium carbonate sample decomposes on heating to give ca...

      Text Solution

      |

    5. A mixture of gases contains H(2) and O(2) gases in the ratio 1:4(w//w)...

      Text Solution

      |

    6. 1.0 g of magnesium is burnt with 0.56 g O2 in a closed vessel. Which r...

      Text Solution

      |

    7. When 22.4 L of H(2)(g) is mixed with 11.2 L of Cl(2)(g), each at STP, ...

      Text Solution

      |

    8. 6.02 xx 10^(20) molecules of urea are present in 100 mL of its solutio...

      Text Solution

      |

    9. How many grams of concentrated nitric acid solution should be used to ...

      Text Solution

      |

    10. The mole fraction of the solute in one molal aqueous solutions is

      Text Solution

      |

    11. Which has the maximum number of molecules among the following?

      Text Solution

      |

    12. The number of atoms in 0.1 mole of a triatomic gas is (N(A) = 6.02 xx ...

      Text Solution

      |

    13. 25.3 g of sodium carbonate, Na(2)CO(3) is dissolved in enough water to...

      Text Solution

      |

    14. 10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and ...

      Text Solution

      |

    15. How many moles of lead (II) chloride will be formed from a reaction be...

      Text Solution

      |

    16. What is the volume of one molecules of water (density of H(2) O = 1 g ...

      Text Solution

      |

    17. What volume of oxygen gas (O(2)) measured at 0^(@)C and 1 atm , is ne...

      Text Solution

      |

    18. An organic compound contains carbon , hydrogen and oxygen . Its elemen...

      Text Solution

      |

    19. An element , X has the following isotopic composition : ^(200)X : 90%...

      Text Solution

      |

    20. Concentrated aqueous sulphuric acid is 98% H(2)SO(4) by mass and has a...

      Text Solution

      |