Question

    Silver bromide when kept in sunlight undergoes a change

    in color. What is the color formed?
    A Grey Correct Answer Incorrect Answer
    B Black Correct Answer Incorrect Answer
    C Brown Correct Answer Incorrect Answer
    D Yellow Correct Answer Incorrect Answer

    Solution

    Silver bromide reacts in sunlight to form silver and bromide. This is a specific example of decomposition reaction. AgBr(In the presence of sunlight) →  Ag + Br2. The same reaction occurs for the compound AgCl in the presence of sunlight. The above reactions are used in white and black photography. Hence, option B is correct. 

    Practice Next

    Relevant for Exams: