Question on: JAMB Chemistry - 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 Option: C
Here's how to determine the difference in molecular mass:
- General Formulas:
Alkene: CnH2n
Alkyne: CnH2n-2 - Given Information: Both the alkene and alkyne have six carbon atoms (n=6).
- Calculate the molecular formulas:
Alkene (C₆H₁₂): 6(12) + 12(1) = 84 g/mol
Alkyne (C₆H₁₀): 6(12) + 10(1) = 82 g/mol - Find the difference: 84 - 82 = 2 g/mol
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