Home
Class 12
CHEMISTRY
Assertion :- Oxidation state of Hydrogen...

Assertion :- Oxidation state of Hydrogen is `+1` in `H_(2)O` while `-1` in `CaH_(2)`.
Reason :- `CaH_(2)` is a metal hydride and for metal hydrides, hydrogen is assigned the oxidation number of `-1`.

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is False.

D

If both Assertion & Reason are False.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • REDOX REACTIONS

    ALLEN|Exercise EXERICSE - 3|30 Videos

  • Redox Reaction

    ALLEN|Exercise All Questions|15 Videos

  • s-Block element

    ALLEN|Exercise All Questions|13 Videos

Similar Questions

Explore conceptually related problems

Oxidation state of hydrogen in CaH_(2) is -

Hydrides and H2O

In which of the following hydrides, hydrogen exists in negative oxidation state?

(A) Oxidation state of 'H' is +1 in CuH_(2) and is -1 "in" CaH_(2) (R ) Ca is stronger electropositive than hydrogen.

Statement Oxidation state of H is +1 in CuH_(2) and -1 in CaH_(2) Explanation Ca is strong electropositve metal.

What is the sum of oxidation states of hydrogen in CaH_(2) &CH_(4) .

Assertion :- Fire in reaction between saline hydride and water can not be extinguished by CO_(2) . Reason :- CO_(2) gets reduced by metal hydride.

Oxidation number of hydrogen in sodium hydride (Na_(2)H_(2)) is

ALLEN-REDOX REACTIONS-EXERICSE - 4
  1. Assertion :- Equivalent weight of KMnO(4) in acidic medium is M//5 (M=...

    Text Solution

    |

  2. Assertion :- In NH(4)NO(3), the oxidation number of the two N-atoms is...

    Text Solution

    |

  3. Assertion :- Oxidation state of Hydrogen is +1 in H(2)O while -1 in Ca...

    Text Solution

    |

  4. Assertion :- Oxidation number of carbon in CH(2)O is zero. Reason :-...

    Text Solution

    |

  5. Assertion :- Nitrous acid (HNO(2)) may act as an oxidising agent as we...

    Text Solution

    |

  6. Assertion :- Oxidation number of Ni in [Ni(CO)(4)] is zero. ltbr. Reas...

    Text Solution

    |

  7. Assertion :- A reducing agent is a substance which accepts electron. ...

    Text Solution

    |

  8. Assertion :- Bromide ion is serving as a reducing agent in the reactio...

    Text Solution

    |

  9. Assertion :- Equivalent weight of NH(3) in the reaction N(2) rarrNH(3)...

    Text Solution

    |

  10. Assertion :- In acidic medium, equivalent weight of K(2)Cr(2)O(7) is e...

    Text Solution

    |

  11. Assertion :- In a redox reaction, the oxidation number of the oxidant ...

    Text Solution

    |

  12. STATEMENT-1 : H(2)SO(4) can not act as reducing agent. STATEMENT-2 :...

    Text Solution

    |

  13. Assertion :- In HClO(4), Chlorine has the oxidation number of +4. Re...

    Text Solution

    |

  14. Assertion :- Oxidation number of S in HSO(3)^(-) is +4. Reason :- Su...

    Text Solution

    |

  15. Assertion :- Oxidation number of Carbon in all it's compounds is +4. ...

    Text Solution

    |

  16. Assertion :- H(2) is the reducing agent and Cl(2) is reduced in the re...

    Text Solution

    |

  17. Assertion :- MnO(4)^(-) is always reduced to Mn^(+2). Reason :- Decr...

    Text Solution

    |

  18. Asserton :- KClO(3)rarrKClO(4)+KCl This is a disporportionation type...

    Text Solution

    |

  19. Assertion :- Oxidation number of Cr in CrO(3) is +6. Reason :- In Cr...

    Text Solution

    |

  20. Assertion :- Oxidation number of Cr in Cr(CO)(6) is zero. Reason :- ...

    Text Solution

    |