JEE Main & Advanced Chemistry States of Matter Question Bank Ideal gas equation and Related gas laws

  • question_answer Given the reaction \[C(s)+{{H}_{2}}O(l)\to CO(g)+{{H}_{2}}(g)\] calculate the volume of the gases produced at STP from 48.0 g of carbon

    A)                 179.2 L 

    B)                 89.6 L

    C)                 44.8 L    

    D)                 22.4 L

    Correct Answer: A

    Solution :

               \[C+{{H}_{2}}O\to C{{O}_{\left( g \right)}}+{{H}_{2\left( g \right)}}\]                    \[12gm\to 1mol+1mol\]                    12 gm C produces 2mole of gases (1mole CO & 1 mole of H2)                    \48 gm C may produce \[\frac{48}{12}\times 2=4\times 2=8mole\]                                 \[=22.4\times 8\]L gases \[=179.2\] L gas.


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