2. Sample Papers
  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-32

  • question_answer
    \[{{H}_{2}}S\]reacts with lead acetate forming a black compound which reacts with \[{{H}_{2}}{{O}_{2}}\] to form another compound. The colour of the compound is:

    A) pink     

    B)                                    black

    C) yellow       

    D)                    white

    Correct Answer: D

    Solution :

    \[{{H}_{2}}\,S+{{(C{{H}_{3}}COO)}_{2}}\,Pb\xrightarrow{\,}\,\underset{black}{\mathop{Pbs}}\,\,+2C{{H}_{3}}COOH\]\[PbS+4{{H}_{2}}{{O}_{2}}\xrightarrow{\,}\underset{white}{\mathop{PbS{{O}_{4}}}}\,\,+4{{H}_{2}}O\]


You need to login to perform this action.
You will be redirected in 3 sec spinner