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
jamb 1998chemistry

The correct answer is D. alkyne

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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