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Thermal Decomposition of Alkanes

Complete comb...

Question

Complete combustion of $C_{3} H_{8}$ yeilds X moles of $C O_{2}$ and Y moles of $H_{2} O$ then X and Y respectively are:

3, 4

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4, 3

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4, 4

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3, 3

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Solution

The correct option is A 3, 4
$C_{x} H_{y} + (\frac{4 x + y}{4}) O_{2} ⟶ x C O_{2} + \frac{y}{4} H_{2} O$
$C_{3} H_{8} + 5 O_{2} ⟶ 3 C O_{2} + 4 H_{2} O + h e a t$

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