Home
Class 12
PHYSICS
Select incorrect statement :...

Select incorrect statement :

A

Ferrous sulphate on heating gives both `SO_(2)` and `SO_(3)` gas

B

`CrO_(3)` from `CrO_(4)^(-2)` with `NaOH`

C

`KMnO_(4)` acts as an oxidizing in acidic medium only

D

`Mn_(2)O_(7)` is an acidic oxide

Text Solution

Verified by Experts

The correct Answer is:
C
`KMnO_(4)` acts as odidizing agent in all three mediusm : acidic, basic and neutal
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 5

    CAREER POINT|Exercise PART (B)-CHEMISTRY|29 Videos

  • MOCK TEST 4

    CAREER POINT|Exercise CHEMISTRY|30 Videos

  • MOCK TEST 6

    CAREER POINT|Exercise Part (B) (CHEMISTRY)|30 Videos
CAREER POINT-MOCK TEST 5-PART (B)-CHEMISTRY
  1. 100cm^3 of a solution of an acid (Molar mass =98) containing 29.4g of ...

    Text Solution

    |

  2. For a complex [Co(NH(3))(3)CI(3)] pick up true statements ?

    Text Solution

    |

  3. Select incorrect statement :

    Text Solution

    |

  4. Which of the following is the correct order for increasing bond angle...

    Text Solution

    |

  5. Among the halogens, fluorine differs considerably form the other membe...

    Text Solution

    |

  6. Relation between (A) and (B) is :

    Text Solution

    |

  7. Both ionic and covalent bond is present in the following

    Text Solution

    |

  8. Which of the following statements wrong about aniline

    Text Solution

    |

  9. Product (B) is -

    Text Solution

    |

  10. In an atom , an electron is moving with a speed of 600 m/s with an acc...

    Text Solution

    |

  11. Xenon crystallizes in the face-centred cubic lattice and the edge of t...

    Text Solution

    |

  12. The standard enthalpy of formation of octane (C(8)H(18)) is -250kJ //m...

    Text Solution

    |

  13. What is the maximum value of van't Hoff factor for AlCl(3) ?

    Text Solution

    |

  14. In a reversible reaction , K(e) lt K(p) and Delta H =+40 kca. The p...

    Text Solution

    |

  15. Which of the following factors will be favourbale for higher yields of...

    Text Solution

    |

  16. Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a ...

    Text Solution

    |

  17. In the following sequence of reaction, the end product is : HC-=CHov...

    Text Solution

    |

  18. Which of the following reaction will not give primary amine ?

    Text Solution

    |

  19. In the reaction the products (A) and (B) are-

    Text Solution

    |

  20. Decreasing order of stability of given carbocatons is as : (i) (...

    Text Solution

    |