Answer to Question #66365 in Inorganic Chemistry for Adrian

Question #66365
20cm3 of a gaseous hydrocarbon X were exploded with 120cm3 of oxygen. After d explosion the volume of gases remaining was 90cm3 and this decreased to 50cm3 on treatment with aqueous potassium hydroxide. Calculate the molecular formula of X
1
Expert's answer
2017-03-17T08:54:23-0400
Answer
1) The gases remaining after the reaction are CO₂ and O₂, otherwise the solution is not possible.
2) 90 – 50 = 40cm3 CO₂.
3) 50 cm3 O₂ left.
4) 120 – 50 = 70 cm3 O₂ reacted.
5) We compose the reaction equation:
6) 2CₓHᵧ + 7O₂ = 4CO₂ + 6 H₂O.
X=2; y=6; C₂H₆ - ethane.

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Comments

Assignment Expert
07.12.20, 14:56

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Nkwekeh
02.12.20, 12:53

That's great. Thank you

Assignment Expert
23.03.17, 16:26

Dear Adrian, You're welcome. We are glad to be helpful. If you liked our service please press like-button beside answer field. Thank you!

Adrian
23.03.17, 01:05

Wow!!! Thanks a lot guys

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