Provide the structures of the major organic products of the following reaction. CH3 NaOH, A CH3 Draw the molecules on the canvas by choosing buttons from the Tools (for bonds ד H± 2D EXP. CONT ?

(b) Predict the suitable solvent (H2O or CH3COCH:) to increase the reaction of bromopropane (CH3CH2CH2B1) with sodium hydroxide (NaOH). Two reactions are shown below: NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + + NaBr H,O (i) NaOH, 55 °C CH;CH,CH,Br CH;CH,CH,OH + NaBr (ii) H,C- CH3

Organic chemistry : Carboxylic acids & its derivatives Please PREDICT the reactants / products / reagent and catalyst of the following reactions of each question from (a) until (e) just like in the pictures below given and finish it BY TODAY ASAP

10. The following reaction has variation of free energy value of AG = -2.1 kJ/mol CH;Br + H2S 2 CH;SH + HBr (a) Calculate Keq at room temperature (25°C) for this reaction as written. (b) Starting with a 1 M solution of CH3B and H2S, calculate the final concentrations of all four species at equilibrium.

Provide the structures of the product or products where appropriate for the reactions shown below.

OI EGO Br Me Br In consideration of the following organic compound names and/or descriptors, which one most accurately describes the molecular structure given at right? If neither name accurately describes this structure, select NEITHER. Me OA (2R,3R)-2,3-dibromobutane O B. (2R,3S)-2,3-dibromobutane OC. NEITHER «< Questic 8. 9 K B N

5. Consider the synthesis of 2-butanone from butyne: Hg2+ || CH3CH,-C=C–H CH;CH,-Ĉ-CH3 H3o* (iv) Name the class of compound D belongs to. (v) Comment on the stability of compound D compared to 3-butanone.

4. Protonation of alcohol A and subsequent loss of water, produces the intermediate B. CH3 CH; CH, CH, — с — сH, CH, CH;CH, - C- CH, CH; | OH A B (a) (i) Name alcohol A. (11) What type of species is intermediate B? (iii) Draw the structures of the two alkenes which can be formed from species B by removal of a proton. Label as C the alkene which shows geometrical isomerism. (b) The intermediate B is readily attacked by nucleophiles such as water. What is the essential feature of a nucleophile? (c) State what final colour you would see if alcohol A were warmed with acidified potassium dichromate(VI). Explain your answer. Colour Explanation . (ii) Draw two structural isomers of alcohol A which form branched chain ketones when heated with acidified potassium dichromate(VI), but which could not form alkene C on dehydration.

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Which of the given reaction schemes would produce the molecule shown below? || ||| II and III I and II HBr ROOR || Br HBr III HBr ROOR