Walk In Class Overall.docx

CHEMISTRY DK024 WALK-IN CLASS

1. For the reaction scheme above: a) Predict the structures of compounds/ the reagents used in the reactions. b) Give the IUPAC name of compound B, C, D, E, H, J, M and Q. c) State the type of reaction R1 and R2. d) Define the rule that used in the formation of C. e) Give a chemical test for the following compound: i. 2-methylpropene and stucture E. ii. 2-methyl-1-propanol and structure H. iii. 3-methyl-2-pentanone and structure M. 2. When 2-propanol reacts with acidified potassium manganate(VII) solution, compound A is formed. a) Draw and name the structure of A b) Write the equation between A with NaCN/H+ c) Write the equation when A reacts with alkaline iodine. Give the specific test name and positive observation for the reaction. 3. Alcohol can be used as the starting material in synthesizing various organic compounds as shown in the reaction scheme below. Propose the structure of P and Q.

conc. H2SO4 heat

P

HCl

Q

Give the rules for the formation of P

4. Based on the reaction scheme below, suggest reagent W to Z.

CH3CH2CH(OH)CH3

W

CH3CH2COCH3

Y CH3CH3COOH

Z

CH3CH3COO- + CHI3

KCN/H3O+

X