$1\,L$ પ્રોપેન $(C_3H_8)$ ના દહન માટે જરૂરી $O_2$ નું $0\,^oC$ તાપમાને અને $1$ વાતા. દબાણે કદ કેટલા ............... $\mathrm{L}$ થશે ?

Question

AIPMT 2008, Diffcult

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Solution

a
Volume of a gas at $STP =22.4 \mathrm{L}$

$\mathrm{C}_{3} \mathrm{H}_{8}+5 \mathrm{O}_{2} \rightarrow 3 \mathrm{CO}_{2}+4 \mathrm{H}_{2} \mathrm{O}$

$22.4 \mathrm{L} \quad 5 \times 22.4 \mathrm{L}$

Therefore, to burn $22.4 \mathrm{L} \;\mathrm{C}_{3} \mathrm{H}_{8}$ the oxygen required is $=5 \times 22.4 \mathrm{L}$

To burn $1 \mathrm{L\;C}_{3} \mathrm{H}_{8}$ the oxygen required will be $=5 \times 22.4 / 22.4=5 \mathrm{L}$

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