QUESTION 11 Consider the following reaction. KCN Br CN a) Predict the rate of reaction if the concentration of KCN is increased. b) Illustrate the structural formula for all possible product(s) formed if KCN is changed to HZO. QUESTION 12 Consider the following reaction. Br CH CH2OH a) Illustrate the structural formula for all possible product(s) from the above reaction. b) Predict the mechanism(s) involved in above reaction. c) Determine the rate of reaction if concentration of CH,CH,OH is increased double. dj Sketch the structural formula of all possible product(s) if CHICHOH is changed to KOH.

QUESTION 8 Refer to the following reaction. Br HJC-C-CH2CH3 H,O CH3 a) Identify the chemical structure of all possible product(s) for above reaction. b) Determine the mechanism(s) (SNI, SN2, El or E2) for the above reaction. c) Reaction 2-bromo-2-methylbutane with water will form retention and inversion products. Outline the mechanism. d) Identify the suitable mechanism if water is replaced with hydroxide ion. QUESTION 9 Refer to the following equation. CH}CH2Br OH Compound Y + Compound Z a) Predict compound Y and compound Z. b) Show the rate equation for the equation above. QUESTION 10 Refer to the following compounds below to answer the questions. CH,CH(Br)CH2CH3 CH,CH2C(CH;)(Br)CH,CH3 CH,CH-Br Compound K Compound L Compound M a) State the class of alkyl halide for all the compound above. b) Identify the compounds that will react most rapidly by E2 mechanism.

QUESTION 6 Predict the mechanisms (SNI, SN2, El or E2) and illustrate the product(s) formed for the following reactions: a) CH,CH2CH,Br + NaCN Acetone b) .H NaCN DMSO Br CHJOH water Br OC(CH,)1 KOH DMF HO Methanol g) CHICHICH-CI + NaOH h) CHICH:C(CH;)BrCH; + HO D CH.O'Na* Methanol D CHICH C(CH )2Br + CH:OH k) (CH)).C-CI + KOH I CHICH.CH.CH-CI + KI

QUESTION 5 Consider the reaction below to answer the following questions: CHICH,CH(CH;)CH;CH,Br + KOC(CH;)3 Compound Z a) Draw the structural formula and give the IUPAC name of compound Z from the above reaction. b) Name the mechanism and state the rate law for this reaction. c) Draw the structural formula of the product formed if potassium fer-butoxide was replaced with sodium methoxide, NaOCHs. d) Name the mechanism and identify the type of nucleophile involved in (c).