Home
Class 11
CHEMISTRY
Which is true for an element R present i...

Which is true for an element `R` present in `13 th` group of the perodic table?

A

It is gas at room temperature

B

It has oxidation state of `+4`

C

It forms `R_(2)O_(3)`

D

It forms `RX_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Group `13` elements are in `+3` and `+1` oxidation state. Thus they from `R_(2)O_(3)` type oxide. Ex. `Al_(2)O_(3)`
Promotional Banner

Topper's Solved these Questions

  • P BLOCK ELEMENTS ( Group 13 -14)

    A2Z|Exercise Compound Of Boron Family|57 Videos

  • P BLOCK ELEMENTS ( Group 13 -14)

    A2Z|Exercise General Characterstics, Pysical And Chemical Properties (Group 14)|49 Videos

  • MOCK TEST

    A2Z|Exercise Mock Test 2|45 Videos

  • REDOX REACTIONS

    A2Z|Exercise Section D - Chapter End Test|29 Videos

Similar Questions

Explore conceptually related problems

Which Is true for an element R present in III A group of the periodic table

The element present in the IIIA group and 3 period in the periodic table is

Maximum value of n+l +m for the last unpaired electron in an element present in 17th group and 4th period of periodic table:

How may elements will be present in the 12th period of periodic table.

The elements of a group in the periodic table

Total number of elements present in 5 th period of modern periodic table is

If 3e^(-) can be accomodated in each orbital then how many elements will be present in the 7th period of periodic table?

A2Z-P BLOCK ELEMENTS ( Group 13 -14)-Section D - Chapter End Test
  1. Which is true for an element R present in 13 th group of the perodic ...

    Text Solution

    |

  2. Which of the following has the minimum heat of dissociation?

    Text Solution

    |

  3. Electrolytic reduction of alumina to aluminium by Hall-Heroult process...

    Text Solution

    |

  4. Aluminium metal is purified by :

    Text Solution

    |

  5. The major role of flourspar, CaF(2) which is added in small amount in ...

    Text Solution

    |

  6. In Goldschmidt reaction, certain metallic oxides are reduced to the me...

    Text Solution

    |

  7. In the electrolysis of alumina, cryolite is added to

    Text Solution

    |

  8. Specify the coordinate geometry around and hyridilization present abou...

    Text Solution

    |

  9. The geometry and the hybirdisation present about the central atom in B...

    Text Solution

    |

  10. Which of the following statements is correct?

    Text Solution

    |

  11. H(3)BO(3) is.

    Text Solution

    |

  12. How can the following reaction be made to proceed in forward direction...

    Text Solution

    |

  13. Which halide is stable and has doubtful existence?

    Text Solution

    |

  14. The correct order of decreasing C-O bond length of (1) CO,(II)CO(3)^(2...

    Text Solution

    |

  15. Which is neutral to litmus?

    Text Solution

    |

  16. (Me)(2) SiCl(2) on hydrolysis will produce.

    Text Solution

    |

  17. Pb and sSn are exerted from their chief ores by:

    Text Solution

    |

  18. PbO(2)on rection with HNO(3) gives gas:

    Text Solution

    |

  19. An aqueous solution of a substance gives a white percipitate on treatm...

    Text Solution

    |

  20. The name of the structure of silicates in which three oxygen atoms of ...

    Text Solution

    |

  21. Which one of the following orders presents the correct sequence of the...

    Text Solution

    |