QJEEM21Cheddb: JEE Main 2021 Chemistry - Class 11 JEEM21Cheddb Solution: 100 g of propane is completely reacted with 1000 g of oxygen.…

Question

Verified Solution • 2025–26 Session moderate

100 g of propane is completely reacted with 1000 g of oxygen. The mole fraction of carbon dioxide in the resulting mixture is x

\times

10^{$-$ 2}. The value of x is ____________. (Nearest integer)

[Atomic weight : H = 1.008; C = 12.00; O = 16.00]

Accepted Answer

C₃H_8(g) + 5O_2(g)

\to

3CO_2(g) + 4H₂O_(l)

t = 0	2.27 mole	31.25 mol
t = $\infty$	0	19.9 mol	6.81 mol	9.08 mol

mole fraction of CO₂ in the final reaction mixture (heterogenous)

{X_{C{O_2}}} = {{6.81} \over {19.9 + 6.81 + 9.08}}

= 0.1902 = 19.02

\times

10^{$-$ 2}

\Rightarrow

19

Step-by-Step Verified Solution