Isomers for C510?

Question

Hi,
I have to give names and draw the structural formulae for all the isomers of C5H10, i'm really not sure what to do!

Thanks

Answer 1

Based on the formula C5H10, the index of hydrogen deficiency ,{ [(5*2+2}-10}/2}, is 1, which means the isomers can have either one double bond or one ring, but not both.
There are 12 isomers,
Compound with Ring structure:
Cyclopentane
Methylcyclobutane
Ethylcyclopropane
1,1-dimethylcyclopropane
cis-1,2-dimethylcyclopropane
trans-1,2-dimethylcyclopropane

Compounds with 1 unsaturated bond and no ring:
1-pentene
cis-2-pentene
trans-2-pentene
2-methyl-1-butene
2-methyl-2-butene
3-methyl-1-butene

Click the following link to see the structure:
http://www.chem.ucalgary.ca/courses/350/exams/3513/351f98/351mt98sd.gif

Answer 2

Isomers Of C5h10

Answer 3

C5h10 Isomers

Answer 4

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Geometrical isomers are isomers that have the same molecular formula but the atoms are in different non-equivalent positions to one another. Geometrical isomers occur as a result of restricted rotation about a carbon-carbon bond. Single bonds between two carbons in a non-cyclic structure may rotate around each other unhindered at room temperature because as the carbons rotate around each other the degree of overlap between the atomic orbitals is not changed and remain at maximum overlap as rotation occurs.

Answer 5

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RE:
Isomers for C510?
Hi,
I have to give names and draw the structural formulae for all the isomers of C5H10, i'm really not sure what to do!

Thanks

Answer 6

Draw 5 C atoms in a row. Put the double bond bwteen the first two. Now draw it again, putting the double bond between the second and third.
Then draw 4 C atoms in a row. You will have to put the 5th C atom above the 2nd. Now do the same with the double bond, except that you can keep on moving it down the chain.
Then draw 3 C atoms in a row. You will have to put one C atom above the 2nd, and one below the 2nd. Keep trying to move the double bond.
Finally, put all the C atoms in a ring of 5.
Now put all the H atoms in.