Question

8. of Vapour Density of the mixture will remain same throughout the course of a (D) Total moles of all the component of mixture will change. A mixture of C,H, (g) & O, having total volume 100 ml in an Eudiometry tube is sparked & it is observed a contraction of 45 ml is observed what can be the composition of reacting mixture. (A) 15 ml C,H, & 85 ml 0, (B) 25 ml C,H, & 75 ml O, 45 ml C,H, & 55 ml 0, (D) 55 ml CH, & 45 ml O, COCO, and O. was sparked. When the resulting gaseous mixture was passe aseous mixture was passed through u be in the

JEE/Engineering Exams

Chemistry

Solution

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( c_{3} ) [ +50_{2} longrightarrow 200_{2}+9 n_{20} ] For luo me . Wheme decrease by 50 Qis 6 moks of gas goes to 3 moles y Du ( x ) or wac decrease is ( 45^{circ} mathrm{m} ) ( e^{cdot frac{45}{0 cdot 5}}=90 mathrm{ml} ) given we huve lome of ges extrato rovece loo roll This idme can be propanedr oxygen there bore the cosouposition of roixture will be either and [ 15 mathrm{ml} mathrm{C}_{3} mathrm{hg}+8 mathrm{sm} / mathrm{O}_{2} ] ( m ) [ 75 operatorname{mi} 02 ] OP hon ( (A) ) and (B) both are Correect