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- What are the structures of the products in each step of the reaction sequence shown? H3O* РСС A B H2SO4, NABH3CN NH2 II III он IV O Ais l, B is II, and Cis II O Ais II, B is II, and Cis IV O Ais II, Bis l, and Cis II O Ais II, B is IV, and Cis II O A is IV, B is l, and C is IIIQ4 * 1,3-thiazolo[4,5,b]pyrdine 1,5-thiazolo[4,5,b]pyrdine 1,3-thiazol[4,5,c]pyridzine 6-thiabicyclo[4.5]decane 1-thia[5.6]decane Both are wrong Q5* ΟΟΟ Q6 * 2H-1,3-oxazete 4H-1,3-oxazete 2H-1,3-oxazane 4H-1,3-oxazanePlease convert this name into the structure: (2R,3R,4S,5S,6R)-2-(((2S,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)tetrahydrofuran-2-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
- 1. The conjugate acid of the reaction is? CH3COOH + NH3 + CH3-CO-O + NHÀ • CH3COOH (b) NH3 (c) CH3-CO-O (d) NH4 b O O d a > +1. Name the following alkyl halides: (a) НзС Br Br CH3 (b) I (c) Br CI CH3 CH3CHCHCHCH2ČHCH3 CH3CCH,CHCHCH, CH3CH=CHCH2CHCH3 ČH3 (d) CH2Br (e) CICH,CH2CH2C=CCH2B CH3CH2CHCH2CH2CH3 2. Predict the product(s) of the following reactions: SOCI2 (a) H3C OH (b) CH3CH2CH2CH2OH ? HBr Ether (d) CH3CH2CH(Br)CH3 Mg H20 A (c) OH B Ether PBr3 EtherWhat is major the product of this reaction? mella H C6H5 (H3C) 3C (A) но. -xx (B) C6H5 C6H5 (C) all C6H5 (D) H OH ہلنے C6H5 CH3 NaOH ???
- nane Draw the principal products of the following eactic (a) H. CH¿CH2CH, HCH,C H. Br (b) NBS hv. CC (c) (d) COOH CH,CH,OHDetermine the structures of compounds A through D in the following reaction scheme: 1. NaH NaOH C H20 PBP3 A 2. D A 3. НThe AH° values of each compound is given below as kJ/mol. Calculate the entaphy change (AH) value of the following reacti on? 2CaOg) + 2SO2 (g + Ozg) →2 CasO41) -635.5 -296.9 0.0 -1432.7 (kJ/mol) A) 500.3 kJ B) -500.3 kJ С) -1000.6 kJ D) 2365.1 kJ E) -1094.1 kJ
- Q2) Prepare Y from X each of the following (Thirteen only) :- X Y 1 hex-2-ene 2-chlorohexan-3-ol Propan 2-one 2 prop-1-yne 3 benzene styrene 4 phenylmethanol Benzoic acid 5 Trans-penta 2-ene Penta 2-yne Benzene 6 Durene 7 1-bromo cyclo pentan cyclo pentan 8 Methyl cyclohexane Toluene 9 Benzene m-bromo nitro benzene 10 ethylene Ethylene glycol 11 Tert-butyl chlorid 2,2dimethyl hexane 12 2-3dibromo butane 2-butene 13 Toluene p-nitro benzoic acid 14 Sec-butyl bromide butane 15 benzene m-nitro benzoic acidis (1R,2R)-2-methylcyclohexanol same as (1R,2R)-2-methylcyclohexan-1-ol1. Give IUPAC names fro the following alkyl halides: (a) CH3CH2CH2CH2I (b| (c) CH3 CH3 CH3CHCH2CH2CI BrCH2CH2CH,CCH28 ČH3 (d) CH3 le) ! CH,CH2CI (d) Br CI CH3CH2CH2CI CH3CHCHCH2CH3 CH3CHCH2CH2CHCH3 CI