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Oxidation of Alkanes

CH4+2O2→ CO2+...

Question

$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$
As per this reaction, if $20$ ml of $C H_{4}$ and $20$ ml of $O_{2}$ were exploded together and if the reaction mixture is cooled to room temp, the resulting gas mixture will have a volume of:

40

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20

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60

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30

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Solution

The correct option is B $20$ ml
The reaction is $C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$ .
At room temperature, water will condense to form liquid water.
1 mole of methane reacts with 2 moles of oxygen to form 1 mole of oxygen.
10 ml (0.445 moles) of methane will react with 20 ml (0.89 moles) of oxygen to form 10 ml (0.445 moles) of carbon dioxide.
Hence, the resulting mixture will contain 10 ml of unreacted methane and 10 ml of carbon dioxide.
The total volume of the mixture will be 20 ml.

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CH4+2O2→CO2+2H2OAs per this reaction, if 20 ml of CH4 and 20 ml of O2 were exploded together and if the reaction mixture is cooled to room temp, the resulting gas mixture will have a volume of:

$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$
As per this reaction, if $20$ ml of $C H_{4}$ and $20$ ml of $O_{2}$ were exploded together and if the reaction mixture is cooled to room temp, the resulting gas mixture will have a volume of: