Home
Class 11
CHEMISTRY
In each of the following question, an As...

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer.
Assertion : In a combustion reaction in the air, oxygen is the limiting reactant.
Reason : Oxygen is present in limited amount (only21%) in the air.

A

If both (A) and ( R ) are correct and ( R ) is the correct explanation of (A).

B

If both (A) and (R ) are correct, but ( R ) is not the correct explanation of (A).

C

If (A) is correct, but ( R) is incorrect.

D

If both (A) and (R ) are incorrect.

Text Solution

Verified by Experts

The correct Answer is:
D
In a combustion reaction in air.the substance being burnt is the limiting reactant.
Oxygen is present in large excess in the air and is the excess reactant.
Promotional Banner

Topper's Solved these Questions

  • SOME BASIC CONCEPTS OF CHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION REASON TYPE QUESTIONS)|7 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTIONS|67 Videos

  • SOME BASIC CONCEPTS OF CHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-I|55 Videos

  • SOME BASIC CONCAPTS OF CHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-III (Linked Comprehension Type)|6 Videos

  • STATES OF MATTER

    BRILLIANT PUBLICATION|Exercise LEVEL III (Linked Comprehension Type )|9 Videos

Similar Questions

Explore conceptually related problems

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : The standard unit for expressing the mass of atoms is amu. Reason : amu is also called as avogram.

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : The equivalent mass of an element is variable. Reason : It depends on the valency of the element.

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : The reactant which is present in larger amount limits the amount of product formed is called limiting reagent. Reason : Amount of product formed does not depend upon the amount of reactants taken.

In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : BF_3 molecule is planar but NF_3 is pyramidal. Reason : N atom is smaller than B.

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : Molarity of a solution does not depend upon temperature whereas molality depends. Reason : Molarity and molality both depend only on the number of moles of solute particles.

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : The number of O atoms in 1 g of O_2 1 g of O_3 and 1 g of atomic oxygen is same. Reason : Each value represents 1"/"16 g -atom of oxygen.

In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : In the formation of water molecule, both hydrogen and oxygen atoms attain octet of electrons. Reason : Oxygen atom forms two ionic or electrovalent bonds with two hydrogen atoms.

In the following question, an Assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer. Assertion : The geometry of XeF_2 and CO_2 are same. Reason : Both the compounds have central atom in sp hybridisation.

In each of the following question, an Assertion (A) is following by a corresponding Reason (R ). Use the following keys to choose the appropriate answer. Assertion : 1 mole oxygen and 1 mole nitrogen have same volume at same temerature and pressure.. Reason : 1 mole gas occupies 22.4 litres at STP.

BRILLIANT PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-LEVEL-II
  1. Resultant molarity of H^+ ion in a mixture of 100 mL of 0.1 M""H(2)SO(...

    Text Solution

    |

  2. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  3. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  4. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  5. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  6. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  7. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  8. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  9. Assertion : In gaseous reaction, the ratio of volumes of reactants and...

    Text Solution

    |

  10. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  11. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  12. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  13. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  14. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  15. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  16. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  17. Assertion : Both 106g sodium carbonate and 12g carbon contain same num...

    Text Solution

    |

  18. Assertion : Equal moles of different substances contain same number of...

    Text Solution

    |

  19. In each of the following question, an Assertion (A) is following by a ...

    Text Solution

    |

  20. Assertion : One mole of SO(2) contain the same number of molecules pre...

    Text Solution

    |