Select the appropriate method of converting 4-methyl-1-pentene into 3-methylbutanoic acid.
◦ 1. CCl
4; 2. excess NaNH
2; 3. O
3; 4. H
2O
◦ 1. Br
2, CCl
4; 2. excess NaNH
2; 3. H
2O; 4. O
3; 5. H
2O
◦
1. Cl2, CCl4; 2. NaNH2; 3. H2O; 4. O3; 5. H2O
◦
1. Br2, CCl4; 2. excess NaNH2; 3. H2O
◦ 1. O
3; 2. H
2O; 3. CCl4; 4. excess NaNH
2; 5. H
2O