Answer Happy

d) 5. Outline synthesis to carry out the following chemical transformations. a) Synthesis of 'phenylmethanal' from 'benzene' (use Grignard type reaction) b) Synthesis of 'l-phenylethanol from 'benzene' c) Synthesis of 'n-butylbenzene' from 'benzene Synthesis of 4-nitrotoluene' from benzene (two steps) e) Synthesis of phenylmethylketone' from 'benzene Which of the following acids will have the lowest pka value: a) 4-methoxybenzoic acid b) 2,4-dinitrobenzoic acid c) 4-nitrobenzoic acid d) 4-fluorobenzoic acid e) 2-methyl-4-nitrobenzoic acid Which of the following acids will have the highest pKa value: a) 3-methylbenzoic acid b) 2,4-dimethylbenzoic acid c) 4-methylbenzoic acid d) benzoic acid Starting with 1-propanol, show the synthesis of 2-pentene. 6. 7. 8. Starting with 1-methylcyclohexene, show the synthesis of 2-methyl- cyclohexanone. 9. Starting with ethanol, show the synthesis of butanone.