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

  • question_answer At S.T.P. \[1g\,CaC{{O}_{3}}\] on decomposition gives \[C{{O}_{2}}\] [Pb. CET  2000]

    A)                 22.4 litre              

    B)                 2.24 litre

    C)                 0.224 litre           

    D)                 11.2 litre

    Correct Answer: C

    Solution :

               \[\underset{(40+12+16\times 3)\ =100gm}{\mathop{CaC{{o}_{3}}}}\,\hat{\to }CaO+\underset{22.4litre}{\mathop{C{{O}_{2}}}}\,\uparrow \]                    \[\because \] At S.T.P. \[100g\]\[CaC{{O}_{3}}\] produce=\[22.4litre\]of \[C{{O}_{2}}\]                 \[\therefore \] At S.T.P. \[1g\] \[CaC{{O}_{3}}\] produce = \[\frac{22.4}{100}=.224litre\] of \[C{{O}_{2}}\]


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