A mixture of \( \mathrm{C}_{3} \mathrm{H}_{8} \) and \( \mathrm{O}_{2} \) having total volume \(...

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A mixture of \( \mathrm{C}_{3} \mathrm{H}_{8} \) and \( \mathrm{O}_{2} \) having total volume \( 100 \mathrm{ml} \) in an Eudiometry tube is sparked & it is observed that a contraction of \( 45 \mathrm{~mL} \) is observed what can be the composition of reacting mixture.
(A) \( 15 \mathrm{~mL} \mathrm{C}_{3} \mathrm{H}_{8} \& 85 \mathrm{mLO}_{2} \)
(B) \( 25 \mathrm{mLC}_{3} \mathrm{H}_{8} \& 75 \mathrm{mLO}_{2} \)
(C) \( 45 \mathrm{mLC}_{3} \mathrm{H}_{8} \& 55 \mathrm{mLO}_{2} \)
(D) \( 55 \mathrm{mLC}_{3} \mathrm{H}_{8} \& 45 \mathrm{mLO}_{2} \)
 
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