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One mole of hydrocarbon contains 6g of hydrogen. If the molecular weight is 54, the...

Chemistry
JAMB 1998
One mole of hydrocarbon contains 6g of hydrogen. If the molecular weight is 54, the hydrocarbon is an?
  • A. alkanone
  • B. alkane
  • C. alkene
  • D. alkyne
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Correct Answer: Option D
Explanation
CxH6
∴ CxH6 = 54
12x + 6 = 54
12x = 54 - 6
12x = 48
x = (48)/(12)
x = 4
We have CxH6 butyne
A formular of alkyne
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