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A molecule of an unsaturated hydrocarbon must have
1) at least one single carbon-carbon bond
2) at least one multiple carbon-carbon bond
3) two or more single carbon-carbon bonds
4) two or more multiple carbon-carbon bonds

Answer :

superman1987

Answer:

2) at least one multiple carbon-carbon bond.

Explanation:

  • An unsaturated hydrocarbon must have a double or triple C-C bond which is unsaturated bond that means it is not saturated with atoms.
  • Saturated hydrocarbon is the hydrocarbon in which all C-C bonds are single.

So, A molecule of an unsaturated hydrocarbon must have 2) at least one multiple carbon-carbon bond.

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