Home
Class 12
CHEMISTRY
Which of the following statements are co...

Which of the following statements are correct about ionic hydrides ?
(i) Crystalline, non-volatile, non-conducting in solid state
(ii) Their melts conduct electricity
(iii) Hydrogen is liberated at anode when their melt is electrolysed
(iv) LiH is less reactive at moderate temperature

A

(i), (iii)

B

(ii), (iv)

C

(i), (iii), (iv)

D

(i), (ii), (iii), (iv)

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • 13-14 HYDROGEN & S-BLOCK ELEMENT

    VMC MODULES ENGLISH|Exercise Level 2|48 Videos

  • 13-14 HYDROGEN & S-BLOCK ELEMENT

    VMC MODULES ENGLISH|Exercise Level 2 (Numerical value type )|14 Videos

  • 13-14 HYDROGEN & S-BLOCK ELEMENT

    VMC MODULES ENGLISH|Exercise JEE Advanced Archive|48 Videos

  • ALCOHOLS, PHENOLS & ETHERS

    VMC MODULES ENGLISH|Exercise IN-CHAPTER EXERCISE - L|10 Videos

Similar Questions

Explore conceptually related problems

Which of the following statements are correct about heartwood? (i). It does not help in water conduction (ii). It is also called alburnum (iii). It is light in colour and is very soft (iv). It has tracheray elements which are filled with tannins, resins etc.

Assertion : Saline hydrides are non volatile, non conducting & crystalline solids. Reason : Saline hydrides are compounds of hydrogen with most of the p-block elements.

Assertion (A): Alkali metals form ionic hydrides which contain hydride ion. Reason (R ): The alkali metals have low EN. Their hydrides conduct electricity, when fused and liberate hydrogen at the anode.

Assertion (A): Alkali metals can form ionic hydrides which contain hydride ion, H. Reason (R ): The alkali metals have low EN. Their hydrides conduct electricity, when fused and liberate hydrogen at the anode.

Which of the following statements are correct with respect to a biorector ? (i) It can process large volumes of culture. (ii) It provides optimum temperature and pH. (iii) It is a completely automated tool. (iv) It is a compact thermal cycler.

Which of the following statements is correct about an aqueous solution of an acid and a base? (i) higher the pH stronger the acid (ii) Higher the pH, weaker the acid, (iii) Lower the pH, stronger the base ,(iv) Lower the pH, weaker the base

Explain the following: (a) Sodium chloride is an ionic compound which does not conduct electricity in solid state whereas it does conduct electricity in molten state as well as in aqueous solution. (b) Reactivity of aluminium decrease if it is dipped in nitric acid. (c) Metals like calcium and magnesium are never found in their free state in nature.

Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are natural in origin. (iii) Carbon monoxide is a primary air pollutant. (iv) Sulphur dioxide causes brown air effect during traffic congestion in cities.

Which of the following statements is incorrect? (i) Average velocity is path length divided by time interval. (ii) In general, speed is greater than the magnitude of the velocity. (iii) A particle moving in a given direction with a non-zero velocity can have zero speed. (iv) The magnitude of average velocity is the average speed.

VMC MODULES ENGLISH-13-14 HYDROGEN & S-BLOCK ELEMENT-Level 1
  1. The metal that cannot displace hydrogen from dil. HCl is

    Text Solution

    |

  2. Which of the following hydride have significant covalent character :

    Text Solution

    |

  3. Which of the following statements are correct about ionic hydrides ? ...

    Text Solution

    |

  4. The temporary hardness of water is due to the presence of

    Text Solution

    |

  5. Which of the following substances cause permanent hardness of water

    Text Solution

    |

  6. Formula of calgon is

    Text Solution

    |

  7. De-ionized water is prepared by the following method :

    Text Solution

    |

  8. Which substance cannot be reduced by H(2)O(2):

    Text Solution

    |

  9. When SO(3) is treated with D(2)O, the products are :

    Text Solution

    |

  10. Washing soda is .

    Text Solution

    |

  11. Sodium metal can be stored under :

    Text Solution

    |

  12. Which of the following is correct order of solubility in water ?

    Text Solution

    |

  13. Which of the following has the least ionization potential ?

    Text Solution

    |

  14. The most abundant alkali metal in nature is :

    Text Solution

    |

  15. In which of the following reactions, H(2)O(2) act as a reducing agent ...

    Text Solution

    |

  16. High purity dihydrogen is obtained by electrolysing

    Text Solution

    |

  17. The reaction related to coal gasification :

    Text Solution

    |

  18. The correct statement regarding structure of ice :

    Text Solution

    |

  19. On heating hydrated magnesium chloride in presence of SOCl(2) …….. Is ...

    Text Solution

    |

  20. Which of the following represents correct order of decreasing or red...

    Text Solution

    |