JAMB - Chemistry (2024 - No. 42)
The difference in molecular mass between an alkene and alkyne with six carbon per mole is
10
12
2
14
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.
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