Home
Class 12
CHEMISTRY
The iron salt used in blue prints is :...

The iron salt used in blue prints is :

A

`FeC_2O_4`

B

`Fe_2(C_2O_4)_3`

C

`K_4[Fe(CN)_6]`

D

`K_3[Fe(CN)_6]`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • D-BLOCK ELEMENTS

    MOTION|Exercise Exercise IV Level-I|16 Videos

  • D-BLOCK ELEMENTS

    MOTION|Exercise Exercise IV Level-II|9 Videos

  • D-BLOCK ELEMENTS

    MOTION|Exercise Exercise II (LEVEL–II)|20 Videos

  • COORDINATION COMPOUND

    MOTION|Exercise EXERCISE-4 LEVEL-II PREVIOUS YEAR JEE ADVANCED|37 Videos

  • ELECTROCHEMISTRY

    MOTION|Exercise EXERCISE-4,II|44 Videos

Similar Questions

Explore conceptually related problems

State the reason for the following : An iron strip dipped in a blue copper sulphate solution turns the blue solution pale green.

When a green iron salt is heated strongly, its colour finally changes to brown and odour of burning sulphur is given out. Name the iron salt.

When a green iron salt is heated strongly, its colour finally changes to brown and odour of burning sulphur is given out. Name the type of reaction that takes place during heating of iron salt.

When a blue coloured copper salt is heated strongly, it forms a white copper salt. The white copper salt can be reconverted into blue salt by adding a liquid X. (a) Write the formula of blue copper salt. (b) Write the formula of white copper salt. (c) What substance is lost when blue copper salt is converted into white copper salt? (d) Name the liquid X.

State the reason why (i) carbon is not used to reduce the oxides of sodium or aluminium. (ii) an iron strip dipped in a blue copper sulphate solution turns the blue solution to pale green. (iii) calcium does not occur free in nature. (iv) zinc is used in the galvanisation of iron and not copper.

State the reason why (i) carbon is not used to reduce the oxides of sodium or aluminium. (ii) an iron strip dipped in a blue copper sulphate solution turns the blue solution to pale green. (iii) calcium does not occur in free state in nature. (iv) zinc is used in the galvanisation of iron and not copper.

An iron knife dipped in a blue copper sulphate solution turns the blue solution light green. Why ?

When a green iron salt is heated strongly , its colour finally changes to brown and odour of burning sulphure is given out . (a) Name the iron salt. (b) Name the type of reaction that takes place during the heating of iron salt. (c) Write a chemical equation for the reaction involved.

MOTION-D-BLOCK ELEMENTS -Exercise III
  1. Peacock ore is:

    Text Solution

    |

  2. “925 fine silver” means an alloy of :

    Text Solution

    |

  3. The iron salt used in blue prints is :

    Text Solution

    |

  4. Assertion: KMnO(4) is purple in colour due to charge transfer . Reas...

    Text Solution

    |

  5. Assertion : K(2)CrO(4) has yellow colour due to charge transfer. Rea...

    Text Solution

    |

  6. Statement-1: The highest oxidation state of chromium in its compound i...

    Text Solution

    |

  7. Assertion : CrO(3) reacts with HCl to form chromyl chloride gas Reas...

    Text Solution

    |

  8. Statement-1: Zinc does nt show characteristic properties of transition...

    Text Solution

    |

  9. Assertion: Tungsten has very high melting point. Reason: Tungsten is...

    Text Solution

    |

  10. Statement-1: Equivalent mass of KMnO(4) is equal to one-third of its m...

    Text Solution

    |

  11. Assertion: Ce^(4+) is used as an oxidising agent in volumetric analysi...

    Text Solution

    |

  12. Statement-1: Promethium is a man mae element. Statement-2: It is rad...

    Text Solution

    |

  13. Statement-1: Cu^(+) ion is colourless. Statement-2: Four water molec...

    Text Solution

    |

  14. Among d-block elements, the most abundant element belongs to the :

    Text Solution

    |

  15. The 3d-metal ion are generally paramagnetic in nature because

    Text Solution

    |

  16. Green vitriol is formed by :

    Text Solution

    |

  17. Which one of the following forms with an excess of CN^(-) (Cyanide) a ...

    Text Solution

    |

  18. Of the following outer lectronic configurations fo atoms the highest o...

    Text Solution

    |

  19. In which of the following pairs are both the ions coloured in aqueous ...

    Text Solution

    |

  20. Which of the following has the maximum number of unpaired d electrons ...

    Text Solution

    |