NEET Sample Paper NEET Sample Test Paper-33

  • question_answer
    The volume of \[{{O}_{2}}\] at NTP liberated by 5 amperes following for 193 seconds is through acidulated water will be

    A)  \[56\,c{{m}^{3}}\]         

    B)  \[112\,c{{m}^{3}}\]

    C)  \[224\,c{{m}^{3}}\]        

    D)  \[448\text{ }c{{m}^{3}}\]

    Correct Answer: A

    Solution :

    m of \[{{O}_{2}}=\frac{E}{96500}\times C\times t\] \[=\frac{8}{96500}\times 5\times 193=0.08\,g\] \[\because \] \[32g\,\,{{O}_{2}}\] contains volume at\[NTP=22400\text{ }c{{m}^{3}}\] \[\therefore \] \[0.08\text{ }g\]\[{{O}_{2}}\] contains volume at NTP \[=\frac{22400\times 0.08}{32}=56\,c{{m}^{3}}\]


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