6. RULE 3. Number the carbon chain of the parent compound starting with the end nearer to the double bond. Use the smaller of the two numbers on the double-bonded carbon to indicate the position of the double bond. Place this number in front of the alkene name.
7. IUPAC RULES This end of the chain is closest to the double bond. Begin numbering here.
8. IUPAC RULES The name of the parent compound is 1-octene. 8 7 4 3 2 1 6 5
9. RULE 4. Branched chains and other groups are treated as in naming alkanes. Name the substituent group, and designate its position on the parent chain with a number.
10. IUPAC RULES This is an ethyl group. 8 7 4 3 2 1 6 5 The ethyl group is attached to carbon 4. 4 4-ethyl-1-octene
33. Step 2: Rapid reaction with a negative ion. The negative ion (Y - ) acts as nucleophile and attacks the positively charged carbon atom to give product of the addition reaction. Mechanism of electrophilic addition reactions: - C=C : electron rich part of the alkene molecule - Electrophiles: electron-seeking Step 1: Formation of carbocation. Attack of the pi bond on the electrophile to form carbocation. δ + δ -