JEE Main & Advanced Sample Paper JEE Main Sample Paper-45

  • question_answer
    If \[{{H}_{2}}{{O}_{2}}\] is ?5. 6 volume?, then

    A)  it is 1.7% weight by volume              

    B)  it is 1 N

    C)  Both [a] and [b]       

    D)  None of these

    Correct Answer: C

    Solution :

     \[2{{H}_{2}}{{O}_{2}}\xrightarrow{\,}\,2{{H}_{2}}O+{{O}_{2}}\] 5.6 volume means 1 mL of HOg solution gives \[5.6\,\,mL\,{{O}_{2}}\] at STP. \[\because \] 22400 mL \[{{O}_{2}}\] at NTP is obtained from \[68\,g\,{{H}_{2}}{{O}_{2}}\]. \[\therefore \] 5.6 mL \[{{O}_{2}}\] at NTP is obtained from \[\frac{68\times 5.6}{22400}\]. \[{{H}_{2}}{{O}_{2}}=0.017\,g\,{{H}_{2}}{{O}_{2}}\] \[\therefore \] It is 1.7% And normally \[\frac{\text{Volume}\,\text{strength}}{5.6}=1N\]

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