Summary

These notes cover various topics in organic chemistry, including halogenation of alkanes, alkenes, and cyclopropane. The notes include chemical formulas and reactions. They appear to be class notes or study material, not a formal exam paper.

Full Transcript

# Subject: Halogenation of Alkane Date: 11 ## Initiation - Free radical propagation ## # Stability of Free radical - 3°>2°>1° ## Date: 11 ## Subject: - if no hv, no reaction - $CH_3CH_2CH_3 + Cl_2$ → $CH_3CH_2CH_2 + CH_3CHCH_3$ - 1-chloropropene 2-chloropropane - $Cl_2$ → $2Cl$ - $CH_3CH_2CH_2 +...

# Subject: Halogenation of Alkane Date: 11 ## Initiation - Free radical propagation ## # Stability of Free radical - 3°>2°>1° ## Date: 11 ## Subject: - if no hv, no reaction - $CH_3CH_2CH_3 + Cl_2$ → $CH_3CH_2CH_2 + CH_3CHCH_3$ - 1-chloropropene 2-chloropropane - $Cl_2$ → $2Cl$ - $CH_3CH_2CH_2 + [Cl]$ → $CH_3CH_2CH_2Cl + HCl$ - $αH= 2$ - $CH_3-CH-CH_2$ - $CH_3-CH_2-CH_2$ - %60 - %40 ## Date: 1/1 ## Assignment - Neopentane - 30 pentane - $CH_3$ - $CH_3-C-CH_2-Cl$ - $CH_3$ - 1-chloro- 2,2 dimethyl Propane - $CH_3$ - $CH_3-C-CH_2 -CH_3$ - 2-chloro-2 kmethyle butan - mech? - more studity? - why? ## Date: 11 ## Subject: Cyclopropane - $C_3H_6 + Cl_2$ - $Cl_2$ - *(z)/(cis)* - *(E)/(trans)* - *Geminal* - *vecinal* ## Date: 11 ## Subject: Alkeenes - = bond - unsaturated - $sp^2$ - at least 2C - $C_nH_{2n}$ - addition reaction - $CH_2 = CH_2$ ethylene - $CH_3CH = CH_2$ Propylene - $CH_3 - C = CH_2$ Isobutylene - $CH_3$ ## Date: 11 ## Subject: - primary / normal - Iso/ secndry - neo/ ter - parent name - suffix → - prefix→ - exo- - 5,2-dimethyle-2-heptene - 4-chloro-1-pentene ## Date: 11 ## Subject: - $C=C$ - Vinyle - $CH_3-C=C$ - Allyl

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