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JIPMER 2004
Exam
JIPMER
Year
2004
Subject
Chemistry
Chapter
Some Basic Concepts of Chemistry

JIPMER 2004 · Chemistry · Some Basic Concepts of Chemistry

Volume of CO_2 obtained from complete decomposition of 20 ~g CaCO_3...

Volume of CO2\mathrm{CO}_2 obtained from complete decomposition of 20 gCaCO320 \mathrm{~g} \mathrm{CaCO}_3 at STP isVolume of CO_2 obtained from complete decomposition of 20 ~g CaCO_3 at STP is

Options

  1. A2.24 litre
  2. B4.48 litre
  3. C20 litre
  4. D22.4 litre

Correct answer

B. 4.48 litre

Step-by-step solution

Volume of CO_2 obtained from complete decomposition of 20 ~g CaCO_3 at STP is $\begin{array}{r}\because 100 \mathrm{~g} \mathrm{CaCO}_3, \text{ on decomposition, gives } =22.4 \text{ litre } \mathrm{CO}_2 \text{ at STP }\end{array}\therefore 20  g\mathrm{~g}\mathrm{CaCO}_3,ondecomposition,willgive, on decomposition, will give=\frac{22.4 \times 20}{100} =4.48 \text{ litre } \mathrm{CO}_2  at STP \text{ at STP }
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