1) Whats the structural formula (4 ismoers) of C3H7Cl.

2)                   "                            (5 isomers) of C3H6Cl2.

3)                   "                            (5 isomers) of C3H5Cl3.

4)                   "                            (2 isomers) of C4H10.

5)                   "                            (9 isomers) of C4H8Cl2.

6)                   "                            (3 isomers) of C5H12.

7)                   "                            (8 isomers) of C5H11Cl.

8)                   "                             (3 isomers) of CH2Cl2.

 

you don't have to write out all the bonds.

i just want to know the middle part. ( i can put hydrogen )

Thank you sooo much