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?

  • alkanone
  • alkane
  • alkene
  • alkyne checkmark

The correct answer is: 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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