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The difference in molecular mass between an alkene and alkyne with six carbon per mole...

Chemistry
JAMB 2024

The difference in molecular mass between an alkene and alkyne with six carbon per mole is

  • A. 10
  • B. 12
  • C. 2
  • D. 14
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Correct Answer: Option C
Explanation

Alkene family has the general formular C\(_n\)H\(_{2n}\), thus Alkene with 6 Carbon atoms is C\(_6\)H\(_{12}\), while the alkyne family has the general formula C\(_n\)H\(_{2n-2}\), thus alkyne with 6 carbon atoms is C\(_6\)H\(_{10}\).

The difference between them is the H\(_2\). 

If H = 1, then H\(_2\) = 1 x 2 = 2.

There is an explanation video available below.


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Explanation Video

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