What volume of oxygen at STP required to burn 500 dm3 of ethene?

MCQS

Sindh MDCAT 2023

Q-102

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<p>What volume of oxygen at STP required to burn 500 dm<sup>3</sup> of ethene?</p>

Chemistry

Miscellaneous

Question 102 of 200

Multiple Choice

500 dm³

21.75%

Explanation:

1000 dm³

22.83%

Explanation:

1500 dm³

48.94%

Explanation:

1 mole of ethene reacts with 3 moles of O2 to burn completely.

C2H4 + 3O2 → 2CO2 + 2H2O

So, 500dm^3 will react with 1500 dm^3 (500 × 3 =1500) of oxygen.

Hence, option C is correct.

2000 dm³

6.48%

Explanation:

Explanation

1 mole of ethene reacts with 3 moles of O2 to burn completely.

C2H4 + 3O2 → 2CO2 + 2H2O

So, 500dm^3 will react with 1500 dm^3 (500 × 3 =1500) of oxygen.

Hence, option C is correct