Question

A saturated hydrocarbon has sixty hydrogen atoms in its molecule. The number of carbon atoms in its molecule are?
a.)30
b.)29
c.)28
d.)26

Answer 1

30.............................

Answer 2

Answer:

We know that carbon can make four bonds at max.

Thus,

The end carbons of the chain will have 3 hydrogens each .

Therefore remaining will have 2 hydrogens.

eliminating the end 6 hydrogens we are left with 54 hydrogens .

Thus , 54/2= 27

Therefore 27 carbons will have 2 hydrogens each and 2 carbons will have 3 hydrogens each.

Thus the saturated hydrocarbon has 29 carbons in total.

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