Home
Class 12
CHEMISTRY
For the reaction : A+B rarr C the...

For the reaction :
`A+B rarr C`
the initial concentration of A and B are 2 and 1 moles per littre. At equilibrium, the concentration of B has been found to be 0.5 mol/litre. The K for the reaction is :

A

`0.5`

B

`2.0`

C

`1.0`

D

`1.5`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • UNIT TEST 1

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos

  • UNIT TEST 4

    MODERN PUBLICATION|Exercise QUESTIONS|60 Videos

Similar Questions

Explore conceptually related problems

In a reaction : A+B hArr C+D , the initial concentrations of A and B were 0.9 mol dm^(-3) each. At equilibrium, the concentration of D was found to be 0.6 mol dm^(-3) . What is the value of equilibrium constant for the reaction ?

For the chemical reaction A rarr B it is found that the rate of the reaction doubles when the concentration of A is increased four times . The order in terms of A for this reaction is :

The time for half life period of a certain reaction A rarr Products is 1 hour . When the initial concentration of the reactant A is 2.0 mol L^(-1) how much time does it take for its concentration to come from 0.50 to 0.25 mol L^(-1) if it is a zero order reaction ?

MODERN PUBLICATION-UNIT TEST 2-MCQs
  1. Four grams of sodium hydroxide have been added to 10^(3)L tank of wat...

    Text Solution

    |

  2. The ratio of K(p)//K(c ) for the reaction : N(2)(g)+O(2)(g) hArr 2...

    Text Solution

    |

  3. For the reaction : A+B rarr C the initial concentration of A an...

    Text Solution

    |

  4. For the reaction : N(2)+3H(2)hArr 2NH(3), equal number of moles of N(2...

    Text Solution

    |

  5. The equilibrium constant for the reaction 2SO(2)(g)+O(2)(g)hArr 2S...

    Text Solution

    |

  6. The value of K for the reaction : 2A(g)hArr B(g)+C(g)+ Heat at ...

    Text Solution

    |

  7. When CO(2) dissolves in water, the following equilibrium is establishe...

    Text Solution

    |

  8. HI was heated in a sealed tube at 400^(@)C till the equilibrium was re...

    Text Solution

    |

  9. The equilibrium SO(2)Cl(2)(g) hArr SO(2)(g)+Cl(2)(g) is attained at 25...

    Text Solution

    |

  10. The equilibrium constant, K(c ) for the reaction : H(2)+I(2) hArr ...

    Text Solution

    |

  11. Solubility of BaF(2) in a solution of Ba(NO(3))(2) will be represented...

    Text Solution

    |

  12. The following equilibrium are given : N(2)+3H(2)hArr 2NH(3):K(1) ...

    Text Solution

    |

  13. For a sparingly soluble salt A(p)B(q) the relationship between its sol...

    Text Solution

    |

  14. The K(sp) of CuS, Ag(2)S and HgS are 10^(-31), 10^(-44) and 10^(-54) r...

    Text Solution

    |

  15. 500 ml of vessel contains 1.5 M each of A, B, C and D at equilibrium. ...

    Text Solution

    |

  16. If K(1) and K(2) are the respective equilibrium constants for the t...

    Text Solution

    |

  17. Solubility of an AB(2) type electrolyte is 5.0xx10^(-5) mol L^(-1). K(...

    Text Solution

    |

  18. For the hydrolysis of a salt of weak acid and weak base, the hydrolysi...

    Text Solution

    |

  19. The pK(a) of a weak acid is 4.8. What should be the ratio of [Acid]/[S...

    Text Solution

    |

  20. A solution which is 0.001 M each in Mn^(2+), Fe^(2+), Zn^(2+) and Hg^...

    Text Solution

    |