Home
Class 12
CHEMISTRY
Select the correct statement:...

Select the correct statement:

A

Sodium metal is stored under kerosene

B

One of the oxides of carbon is a basic oxide

C

Metals can form only basic oxide

D

To prevent combination of white phosphorus with oxygen it is kept in kerosene

Text Solution

Verified by Experts

The correct Answer is:
A
Sodium metal is stored under kerosene. Some metals form amphoteric oxides, e.g., `ZnO:` white `P` is kept in water.
Carbon forms neutral `(CO)` and acidic oxides `(CO_(2))`.
Promotional Banner

Topper's Solved these Questions

  • P BLOCK ELEMENTS ( GROUP 15,16,17,18)

    A2Z|Exercise AIIMS Questions|25 Videos

  • P BLOCK ELEMENTS ( GROUP 15,16,17,18)

    A2Z|Exercise Assertion-Reasoning Questions|14 Videos

  • P BLOCK ELEMENTS ( GROUP 15,16,17,18)

    A2Z|Exercise Section B - Assertion Reasoning|35 Videos

  • ORGANIC COMPOUNDS CONTAINING NITROGEN

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • SOLID STATE

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Knowledge Check

  • Select thr correct statement

    A
    Across a transition series there is a only small decrease is atomic radius from one element to another due to very small increase in effective nuclear charge
    B
    the rate of decrease in the size across the lanthanide series is less than the first transition series
    C
    both(1)(2)
    D
    none of the above
    • A2Z-P BLOCK ELEMENTS ( GROUP 15,16,17,18)-AIPMT/NEET Questions
    1. Select the correct statement:

      Text Solution

      |

    2. When HNO(3) is dropped into the palm and washed with water, it turns i...

      Text Solution

      |

    3. Nitrogen can be purified from the impurities of oxides of nitrogen and...

      Text Solution

      |

    4. Which one has the highest percentage of nitrogen?

      Text Solution

      |

    5. Each of the following is true for white and red phosphorus except that...

      Text Solution

      |

    6. The basic character of hydrides of the V-group elements decreases in ...

      Text Solution

      |

    7. Which hydride is the strongest base?

      Text Solution

      |

    8. The BCl3 is a polar molecule whereas NCl3 is pyramidal because

      Text Solution

      |

    9. H(3)PO(2) has the name and basicity respectively:

      Text Solution

      |

    10. Oxidation number of As in H(2)"As"O(4)^(-) is

      Text Solution

      |

    11. Which of the following combines with Fe^(2+) ions to form brown comple...

      Text Solution

      |

    12. In NO(3)^(-) ion, the number of bond pair and lone pair of electrons o...

      Text Solution

      |

    13. Which of the following statements is wrong?

      Text Solution

      |

    14. Which of the following statements is not valid for oxo-acids of phosho...

      Text Solution

      |

    15. Nitrogen dioxide and sulphur dioxide have some properties in common. W...

      Text Solution

      |

    16. Strong reducing behaviour of H(3)PO(2) is due to:

      Text Solution

      |

    17. When copper is heated with conc. HNO(3) it produces?

      Text Solution

      |

    18. Which of the following statement is correct for the given acids?

      Text Solution

      |

    19. The product obtained a result of a reaction of nitrogen with CaC(2) is

      Text Solution

      |

    20. Bleaching action of SO(2) is due to

      Text Solution

      |