Home
Class 12
CHEMISTRY
In the following reaction, ZnO is respec...

In the following reaction, ZnO is respectively acting as a/an
(i) `ZnO+Na_(2)O rarr Na_(2)ZnO_(2)`
(ii) `ZnO+CO_(2)rarr ZnCO_(3)`

A

base and acid

B

base and base

C

acid and acid

D

acid and base

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • IONIC EQUILIBRIUM IN AQUEOUS SOLUTIONS

    RC MUKHERJEE|Exercise Problems|64 Videos

  • EUDIOMETRY OR GAS ANALYSIS

    RC MUKHERJEE|Exercise PROBLEMS |28 Videos

  • MISCELLANEOUS OBJECTIVE QUESTIONS

    RC MUKHERJEE|Exercise MCQ|277 Videos

Similar Questions

Explore conceptually related problems

In the following reaction, ZnO is respectively as a/an (i) ZnO+Na_(2)O rarr Na_(2)ZnO_(2) (ii) ZnO+CO_(2)rarr ZnCO_(3)

In the following reactions, ZnO is respectively acting as a/an ZnO + Na_2O rArr NaZnO_(2) ZnO+CO_(2) rarr ZnCO_(3)

2NaOH+Zn(OH)_(2) darr to Na_(2)ZnO_(2)+2H_(2)O

Zn(OH)_(2)darr+2NaOH to Na_(2) ZnO_(2)+2H_(2)O

Identify the substance oxidised and substance reduced in the following reactions : (i) ZnO(s) + C(s) to Zn(s) + CO(g) (ii) 2Na(s) + O_(2)(g) to 2Na_(2)O(s) (iii) CuO (s) + H_(2)(g) to Cu(s) + H_(2)O(l) .

Find the number of following reactions which are involved in roasting process : (i) S_(8) + 8 O_(2) overset (Delta)rarr 8SO_(2) uarr (ii) P_(4) + 5O_(2) overset (Delta) rarr P_(4) O_(10) uarr (iii) 4 As + 3O_(2) overset (Delta) rarr 2 As_(2) O_(3) uarr (iv) 2ZnS + 3 O overset (Delta) rarr 2 ZnO + 2SO_(2) uarr (v) ZnCO_(3) overset (Delta) rarr 4 ZnO + CO_(2) uarr .

RC MUKHERJEE-IONIC EQUILIBRIUM IN AQUEOUS SOLUTIONS-Objective Problems
  1. Which of the following statements about buffer solutions is wrong?

    Text Solution

    |

  2. 10 ml of 0.1 M HCl is titrated with 0.1 M NaOH. When the volume of NaO...

    Text Solution

    |

  3. When one drop of a concentrated HC1 is added to 1L of pure water at 25...

    Text Solution

    |

  4. In which of the following aqucous solutions is the degree of dissociat...

    Text Solution

    |

  5. pH of an aqueous 1 xx 10^(-8) M NaOH solution is

    Text Solution

    |

  6. The pH of 1 xx 10^(-3) M H(2)O(2) solution (K(a)=2.2 xx 10^(-12)) is

    Text Solution

    |

  7. The pH of an aqueous solution of 0.01 M CH(3)COONH(4)" at "25^@C is (...

    Text Solution

    |

  8. The equilibrium: 2Cu^(1) Leftrightarrow Cu^0+ Cu^(u) in aqueous medium...

    Text Solution

    |

  9. How many litres of water must be added to 1 L of an aqueous solution o...

    Text Solution

    |

  10. The K(sp) of Ag(2)CrO(4) is 1.1xx10^(-12) at 298K. The solubility (in ...

    Text Solution

    |

  11. The reagment (s) that can selectively precipitate S^(2-) from a mixtu...

    Text Solution

    |

  12. pK(a) of a weak acid (HA) and pB(b) of a weak base (BOH) are 3.2 and 3...

    Text Solution

    |

  13. In the following reaction, ZnO is respectively acting as a/an (i) Zn...

    Text Solution

    |

  14. An alkali is titrated against an acid with methyl orange as indicator,...

    Text Solution

    |

  15. An aqueous solution contains an unknown concentratioon of Ba^(2+), Whe...

    Text Solution

    |

  16. Which of the following are Lewis acids?

    Text Solution

    |

  17. An aqueous solution contains 0.10 M H2S and 0.20 M HCl. If the equilib...

    Text Solution

    |

  18. Following four solution are prepared by mixing different volumes of Na...

    Text Solution

    |

  19. Calculate the volume of water required to dissolve0.1g lead (II) chlor...

    Text Solution

    |

  20. Dilution processes of different aqueous solutions with water are given...

    Text Solution

    |