Home
Class 12
CHEMISTRY
Complete the following reactions : (a)...

Complete the following reactions :
(a) `(NH_(4))_(2)Cr_(2)O_(7)overset(Heat)`
(b) `I^(-)+O_(3)+H_(2)O to`

Text Solution

Verified by Experts

(a) `underset("dichromate")underset("Ammonium")((NH_(4))_(2)Cr_(2)O_(7))overset("Heat")N_(2)+4H_(2)O+underset("oxide")underset("Chromium")(Cr_(2)O_(3))`
(b) `I^(-)+O_(3)+H_(2)O to 2OH^(-)+I_(2)+O_(2)`
Promotional Banner

Topper's Solved these Questions

  • THE D-AND F-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS-I (3 marks each)|22 Videos
  • THE D-AND F-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise LONG ANSWER QUESTIONS-II (5 marks each)|21 Videos
  • THE D-AND F-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise VERY SHORT ANSWER QUESTIONS (1 mark each)|63 Videos
  • SURFACE CHEMISTRY

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST ( SECTION A)|7 Videos
  • THE P-BLOCK ELEMENTS

    U-LIKE SERIES|Exercise SELF ASSESSMENT TEST ( SECTION A)|7 Videos

Similar Questions

Explore conceptually related problems

(NH_(4))_(2)Cr_(2)O_(7) overset("heat") to

Complete the following reactions : CH_(3)CH = CH_(2) + O_(3) overset(Zn//H_(2)O)to

(NH_(4))_(2)Cr_(2)O_(7) overset(Delta)to N_(2)uarr+Cr_(2)O_(3)darr+H_(2)O uarr

Complete the following reactions: (i) C_(2) H_(4) + O_(2) to (ii) 4Al + 3 O_(2) to

U-LIKE SERIES-THE D-AND F-BLOCK ELEMENTS -SHORT ANSWER QUESTIONS (2 marks each)
  1. Compare the relative stability of +2 oxidation states in aqueous solut...

    Text Solution

    |

  2. A mixed oxide of iron and chromium FeO.Cr(2)O(3) is fused with sodium ...

    Text Solution

    |

  3. Complete the following reactions : (a) (NH(4))(2)Cr(2)O(7)overset(He...

    Text Solution

    |

  4. Why E^(@) values for Mn, Ni and Zn are more negative than expected ?

    Text Solution

    |

  5. Out of Cu(2)Cl(2) and CuCl(2), which is more stable and why ?

    Text Solution

    |

  6. Although fluorine is more electronegative than oxygen, but the ability...

    Text Solution

    |

  7. Transition metals show high melting points. Why?

    Text Solution

    |

  8. When Cu^(2+) is treated with KI, a white precipitate is formed. Explai...

    Text Solution

    |

  9. When a brown compound of manganese (A) is treated with HCl it gives a ...

    Text Solution

    |

  10. Explain why (i) E^(@) for Mn^(3+)//Mn^(2+) couple is more positive t...

    Text Solution

    |

  11. With the help of ionic equations, describe what happens when (i) pH ...

    Text Solution

    |

  12. Although Zr belongs to 4d and Hf belongs to 5d transition series, but ...

    Text Solution

    |

  13. The outer electronic configurations of two transition metals are (i) 3...

    Text Solution

    |

  14. The second and third rows of transition elements resemble each other m...

    Text Solution

    |

  15. Although Cr^(3+) and Co^(2+) ions have the same number of unpaired ele...

    Text Solution

    |

  16. Although +3 oxidation state is the characteristic oxidation state of l...

    Text Solution

    |

  17. When orange solution containing CrO(7)^(2-) ion is treated with an alk...

    Text Solution

    |

  18. Explain why does the colour of KMnO(4) disappear when oxalic acid is a...

    Text Solution

    |

  19. E^(@) of Cu is + 0.34 V while that of Zn is – 0.76 V. Explain.

    Text Solution

    |

  20. The halides of transition elements become more covalent with increasin...

    Text Solution

    |