Carbon Compound

Laboratory Activity 2D (Chemical Properties of Ethanoic Acid, CH3COOH):Aim: To study the chemical properties of ethanoic acid, CH3COOH.Problem statement: Can ethanoic acid, CH3COOH react with metal, metal oxide and metal carbonate?Materials: 1 mol dm−3 of ethanoic acid, CH3COOH, magnesium ribbon, Mg, sodium carbonate powder, Na2CO3, copper(II) oxide powder, CuO and limewater.Apparatus: Test tube rack, stopper … Read more

Activity 2J:Write the complete equation for each of the following alcohol reaction.1. Complete combustion in excess oxygen:(a) Methanol. (b) Propanol.2. Oxidation by acidified potassium manganate(VII), KMnO4 oxidising agent:(a) Butanol. (b) Pentanol.3. Dehydration by porcelain chips as the catalyst:(a) Butanol. (b) Pentanol. Answer: 1. (a) 2CH3OH + 3O2 → 2CO2 + 4H2O1. (b) 2C3H7OH + 9O2 … Read more

Laboratory Activity 2C (Chemical Properties of Ethanol):Aim: To study the chemical properties of ethanol, C2H5OH.Materials: Ethanol, C2H5OH, porcelain chips, glass wool, potassium dichromate(VI), K2Cr2O7 solution, potassium manganate(VII), KMnO4 solution, concentrated sulphuric acid, H2SO4, blue litmus paper, bromine water, Br2.Apparatus: Test tube, boiling tube, boiling tube stopper with delivery tube, retort stand, test tube holder, Bunsen … Read more

Laboratory Activity 2B (Preparation of Ethanol, C2H5OH Through Fermentation of Glucose):Aim: To prepare ethanol, C2H5OH through fermentation of glucose.Materials: Glucose, C6H12O6, yeast, limewater, distilled water and filter paper.Apparatus: Conical flask, beaker, measuring cylinder, round-bottom flask, delivery tube, stopper, test tube, thermometer, fractionating column, Liebig condenser, retort stand, wire gauze, Bunsen burner, tripod stand, rubber tubing, … Read more

Question 1:Copy and complete the tree map by writing the chemical equation for each addition reaction that occurs on ethene, C2H4. Answer:$$ \begin{aligned} &\text { Addition of hydrogen: }\\ &\mathrm{C}_2 \mathrm{H}_4+\mathrm{H}_2 \rightarrow \mathrm{C}_2 \mathrm{H}_6 \end{aligned} $$$$ \begin{aligned} &\text { Addition of halogen, } \mathrm{Br}_2 \text { : }\\ &\mathrm{C}_2 \mathrm{H}_4+\mathrm{Br}_2 \rightarrow \mathrm{C}_2 \mathrm{H}_4 \mathrm{Br}_2 \end{aligned} … Read more

Experiment 2A (Comparing Alkane and Alkene):A. Sootiness of FlameAim: To compare hexane, C6H14 and hexene, C6H12 for sootiness of flames during combustion.Problem statement: Do alkanes and alkenes burn with the same quantity of soot?Hypothesis: Hexene, C6H12 burns with a more sooty flame compared to hexane, C6H14.Variable: (a) Manipulated variable : Hexane, C6H14 and hexene, C6H12.(b) Responding variable … Read more

Activity 2H:Conduct this activity in groups.1. Write the balance equation for the combustion of the following alkane:(a) Ethane, C2H6(b) Propane, C3H8(c) Hexane, C6H14(d) Octane, C8H182. Based on your knowledge on the reaction between alkane and halogen, discuss how ethane, C2H6 and bromine, Br2 react with the presence of sunlight:(a) Write the equation for each stage … Read more

Question 1:Complete the following tree map with respective homologous series and general formula. Answer: Question 2:Table 2.13 shows the molecular formula of organic compounds P, Q, R, S and T from different homologous series.(a) For all compounds in the table above:(i) state their homologous series,(ii) draw the structural formula,(iii) write their IUPAC names.(b) List all … Read more

Activity 2G:You are required to conduct this activity in groups.Table 2.10 shows the physical properties of the first seven members of alkane and Table 2.11 shows the physical properties of the first six members of alkene.1. Complete Tables 2.10 and 2.11.2. Based on the data in Tables 2.10 and 2.11, state and explain the three … Read more

Natural Rubber Natural Rubber Natural rubber is a natural polymer. Latex is a milk like liquid that flows out after the bark of the rubber tree is cut. Latex is mixture of rubber particles and water. Formula of natural rubber is (C5H8)n, where n is about 10,000. Monomer of natural rubber is C5H8, known as … Read more