Home
Class 9
CHEMISTRY
A light yellow coloured compound 'X' is ...

A light yellow coloured compound 'X' is exposed to sunlight for sometime. It is turned into gray coloured material. What is the name of 'X' ? Predict the type of chemical reaction occurred in it.

Text Solution

Verified by Experts

1) The name of the compound 'X' is Silver Bromide `(AgBr)`.
`underset("(Yellow)")(2AgBr_((s))) overset("sunlight")rarr underset("(Gray)")(2Ag_((s)))+Br_(2(g))`
This is a decomposition reaction and also it occurs in the presence of sunlight.
Hence, it is a photo chemical reaction.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL REACTIONS AND EQUATIONS

    VGS PUBLICATION-BRILLIANT|Exercise OBJECTIVE TYPE QUESTIONS|75 Videos

  • CHEMICAL REACTIONS AND EQUATIONS

    VGS PUBLICATION-BRILLIANT|Exercise QUESTIONS GIVEN IN THE LESSON|9 Videos

  • ATOMS AND MOLECULES

    VGS PUBLICATION-BRILLIANT|Exercise OBJECTIVE TYPE QUESTION|1 Videos

  • IS MATTER PURE?

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|233 Videos

Similar Questions

Explore conceptually related problems

Some quantity of yellow coloured powerd was kept in the sunlight for sometime. It was changed into gray colour. Guess the name power and the reaction.

A light-yellow colour substance (some quantity) on a watch glass light. It changes into gray colour substance. What is the light-yellow colour substance? What is the gray colour substance?Which type of chemical reaction it is? Write the chemical equation for the reaction

An yellow coloured powder changed into gray colour on exposing in the sunlight that powder may be

Latha take some quantity of powder of a substance in a test tube. Heated it with spirit lamp. A gas was liberated. She sends the gas into another test tube. The colour of solution in the second test tube turned into milk white. Which substance was heated? Which gas is liberated? What was the solution taken in second test tube? Which type of chemical reactions involved the experiment?

Take two beakers and prepare lead nitrate aqueous solution and potassium iodide aqueous solutions. What are the colours of the solutions? Now mix them in another beaker. What happens? What type of chemical reaction it is? What are products?

X overset(Sn, HCl)rarr Y overset(KNO_(2), HCl)rarr Z . The compound 'Z' reacts with 'Y' at pH value 6 to give an yellow coloured dye. What is 'X'?

VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
  1. What do you observe in a pack of chips ?

    Text Solution

    |

  2. Which one is better to use for storage of water, an iron container or ...

    Text Solution

    |

  3. A light yellow coloured compound 'X' is exposed to sunlight for someti...

    Text Solution

    |

  4. N(2(g))+O(2(g))+"Heat"rarr 2NO((g)) What information do you get from...

    Text Solution

    |

  5. Write the products of given reactions, if any. Give reason. FeCl(2)+...

    Text Solution

    |

  6. i) CaCO(3(s))rarr CaO((s)) +CO(2(g)) ii) 2AgBr((s))rarr 2Ag((s))+Br(...

    Text Solution

    |

  7. Balance the following chemical equation. i) Na+H(2)Orarr NaOH +H(2)

    Text Solution

    |

  8. Balance the following chemical equation. ii) K(2)CO(3)+HCl+KCl+H(2)O...

    Text Solution

    |

  9. Give some examples for corroded and non corroded metals and give the r...

    Text Solution

    |

  10. Some metals reacts oxygen to form their oxides. It is serious problem....

    Text Solution

    |

  11. Iron is a corroded metal. Through alloying we can prevent corrosion. J...

    Text Solution

    |

  12. ''Through alloying corrosion can be prevented''. For the justification...

    Text Solution

    |

  13. Write the properties of a chemical change.

    Text Solution

    |

  14. How can you conclude that the change in a substance is a chemical chan...

    Text Solution

    |

  15. What are reactants ? What are products ?

    Text Solution

    |

  16. What are the substances called to be reacting in a chemical reaction?

    Text Solution

    |

  17. What are the substances called to be producing in a chemical reaction?

    Text Solution

    |

  18. What is the law of conservation of mass according to chemical equation...

    Text Solution

    |

  19. How can you justify the the law of conservation in a chemical equation...

    Text Solution

    |

  20. What is balanced chemical equation? Why should chemical equations be b...

    Text Solution

    |