Home
Class 12
CHEMISTRY
Iron sulphide is heated in air to form A...

Iron sulphide is heated in air to form A, an oxide of sulphur. A is dissolved in water to give an acid. The basicity of this acid is....

A

2

B

3

C

1

D

zero

Text Solution

Verified by Experts

The correct Answer is:
A
`4FeS_(2) + 11O_(2) rarr 2Fe_2 O_3 + 8SO_2`
`underset((A))(SOO_2) + H_2O rarr underset(Acid)(H_2SO_3) hArr 2H^+ SO_(3)^(2-)`
Hence basicity of acid, `H_2SO_3` is two.
Promotional Banner

Topper's Solved these Questions

  • THE p-BLOCK ELEMENTS (GROUP 15 TO 18)

    MTG GUIDE|Exercise CHECK YOUR NEET VITALS|14 Videos

  • THE p-BLOCK ELEMENTS (GROUP 15 TO 18)

    MTG GUIDE|Exercise CHECK YOUR NEET VITALS|14 Videos

  • THE d-AND f- BLOCK ELEMENTS

    MTG GUIDE|Exercise CHECK YOUR NEET VITALS|10 Videos

Similar Questions

Explore conceptually related problems

An example of a salt dissolved in water to give acidic solution is

When SO_2 dissolves in water the acid formed

Oxides of nitrogen and sulphur dissolve in rain water to produce

An element forms a gaseous oxide which on dissolving in water gives an acidic solution. The element is

An oxide of an element is a gas and dissolves in water to give an acidic solution. The element belongs to

A certain element is forms a solid oxide which dissolves in water to form an acidic solution. The element is

Oxidation of sulphur in Caro's acid is

The oxide which on dissolving in water turns blue litmus acid?

Acid rain is due to the presence of oxides of sulphur in air.

MTG GUIDE-THE p-BLOCK ELEMENTS (GROUP 15 TO 18)-NEET CAFE (Topicwise Practice Questions)
  1. Electron affinity of sulphur is

    Text Solution

    |

  2. The oxidation state of sulphur in the anions SO(3)^(2-) , S2O(4)^(2-) ...

    Text Solution

    |

  3. Iron sulphide is heated in air to form A, an oxide of sulphur. A is di...

    Text Solution

    |

  4. The structure of the tetrahionate ion is

    Text Solution

    |

  5. Which of the following species is basic and reducing?

    Text Solution

    |

  6. A substance on treatment with dilute H2SO4 liberates a colourless gas ...

    Text Solution

    |

  7. Which has maximum pH in aqueous solutiion ?

    Text Solution

    |

  8. It is known that Cl2 reacts with water to form HCl and HOCI. So when I...

    Text Solution

    |

  9. When BrF5 reacts with NaOH

    Text Solution

    |

  10. Iodine pentoxide on heating with dry HCl gives I. Icl3 " " II. C...

    Text Solution

    |

  11. Arrange the acids (I) H2SO4, (II) H3PO3, and (III) HCIO3 in the decrea...

    Text Solution

    |

  12. Chlorine is liberated when we heat

    Text Solution

    |

  13. The solubility of I2 increases in water in the presence of

    Text Solution

    |

  14. Which of the following halogen is solid at room temperature?

    Text Solution

    |

  15. The acid formed, when iodine reacts with concentrated nitric acid, is

    Text Solution

    |

  16. Which of the following substances is used, in laboratory, for fast dry...

    Text Solution

    |

  17. Aquaregia is a mixture of HNO3 and HCl in the ratio of

    Text Solution

    |

  18. Among noble gases (from He to Xe) only xenon reacts with fluorine to f...

    Text Solution

    |

  19. Which one of the following elements is most reactive?

    Text Solution

    |

  20. In the given reaction for the preparation of XeF4, what is the ratio o...

    Text Solution

    |