Compounds...

What are the names for this compounds (IUPAC branched hydrocarbon groups)
1.

CH3
\
CH3CH2CH-CHCH2CH2CH3
/
CH3

2.
CH3
/
CH3CH2C=CCH2CH2CH2CH3
/
CH3

3.
CH3CH2CH2CH2CCh2CH2CH2CH3
/
CH3CH2CH
\
CH3

4.
CH2=CHCH2CH2CCH2CH2CH2CH3
/
CH3CH2CH
/
CH3

5.
CH3
\
CH2=CHCH2CH2CCH=CHCH3
/
CH2CH3

6.
CH3C≡CCH2CHCH3
/
C(CH3)3

7.
CH3CH2CH

8.
H3C
\
CH-OH
/
H3C

9.
HOCH2CH2CH2OH

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these look difficult, but this is what i think they are(may not be correct :) )

1)i'm assuming that the CH-CH bond is a double bond, as carbon has a covanlency of 4, in CH3CH2CH-CHCH2CH2CH3.

Therefore its name would be: 1-di-methyl-hept-3-ene

If there isn't a double bond its name would be:
1-di-methyl-heptane

2)2-di-methyl-oct-3-ene

....the others seem a little difficult, i'm a bit busy at the moment, mite have a go later, if i have the time.Hope these were helpful to you

Number 3 is posted incorrectly.

Number 8 is Isopropanol.

Number 9 is 1-3-propanediol, I believe. (It's been a while since I've had an O-Chem class).

Number 6 is also posted incorrectly.

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