Home
Class 11
CHEMISTRY
Among KO(2), AlO(2)^(-), BaO(2) and NO(2...

Among `KO_(2), AlO_(2)^(-), BaO_(2) and NO_(2)^(+),` unpaired electron is present in 

A

`NO_(2)^(+) and BaO_(2)`

B

`KO_(2) and AlO_(2)^(-)`

C

`KO_(2)` only

D

`BaO_(2)` only

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ALKALI METALS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 3|8 Videos

  • ALKALI METALS

    AAKASH SERIES|Exercise Exercise - 2.1.1|17 Videos

  • ALKALI METALS

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE - 1|79 Videos

  • ALIPHATIC HYDROCARBONS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|24 Videos

  • ALKALINE EARTH METALS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE ADDITIONAL QUESTIONS|15 Videos

Similar Questions

Explore conceptually related problems

The highest number of unpaired electrons are present in

Magnetic moment of Mn^(+2) is 5.8 B.M. Hence the number of unpaired electrons presenting the metal ion is

The number of unpaired electrons in 1s^(2) 2s^(2) 2p^(3) is

The number of unpaired electrons in 1s^(2)2s^(2)2p^(3) is

The number of unpaired electrons in 1s^(2)2s^(2)2p^(3) is

How many unpaired electrons are present in divalent manganese ion ?

For the reaction, KO_(2) + H_(2)O+CO_(2) rarrKHCO_(3) +O_2 the mechanism of reaction suggests that:

The number of unpaired electrons present in palladium (Z=46) atom is

AAKASH SERIES-ALKALI METALS-OBJECTIVE EXERCISE - 2
  1. Among KO(2), AlO(2)^(-), BaO(2) and NO(2)^(+), unpaired electron is pr...

    Text Solution

    |

  2. What are the products formed when Li(2)CO(3) undergoes decomposition?

    Text Solution

    |

  3. Metals having ns' as the valence electronic configuration

    Text Solution

    |

  4. Alkali metals when exposed to air tarnish quickly due to the

    Text Solution

    |

  5. The alkali metal that can react differently in many reactions is

    Text Solution

    |

  6. Among alkali metal salts, the lithium salts are the poorest conductors...

    Text Solution

    |

  7. Alkali metals impart colour to bunsen flame due to

    Text Solution

    |

  8. The one which cannot be stored in water is

    Text Solution

    |

  9. Which of the following alloy is needed to make PbEt(4) ?

    Text Solution

    |

  10. Which of the following has highest conductivity in aqueous solution ?

    Text Solution

    |

  11. In solvay process when ammonical brine is saturated with CO(2) gas the...

    Text Solution

    |

  12. E^(0) values for Cl(2), Cl^(-), I(2)^(-), Ag^(+), Ag, Na^(+), Na, Li^(...

    Text Solution

    |

  13. The following are some statments about oxides of alkali metals i) Th...

    Text Solution

    |

  14. The number of hydroxide ions produced by one molecule of Na(2)CO(3) on...

    Text Solution

    |

  15. The cathode in middle compartment of Castner-Kellner process is

    Text Solution

    |

  16. 'A' and 'B' are compounds of sodium. 'A' is thermally stable. On passi...

    Text Solution

    |

  17. Sodium is heated in air at 300^(0)C to form X, X absorbs CO(2) and for...

    Text Solution

    |

  18. The most basic oxide amongst the following

    Text Solution

    |

  19. Alkali metals are so named because

    Text Solution

    |

  20. Sodium metal preserved under kerosine. This is to prevent

    Text Solution

    |