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Pleas show the mechanisms
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- Answer the question below the reaction. O4S H3C H3C H3C OH In the first step of the reaction mechanism, which of the following is formed? CH3 H3C CH3 CH3 + Excess NH4Cl OH CH3 (+) -OH2 CH 3 CH3 OH CH3 H₂SO₁ CH3 CI ха +H2OIn each reaction box, place the best reagent and conditions from the list provided. 1) Br 2) 3) 4) DEET (the active ingredient in over the counter insect repellant) 5) Answer Bank Mg, Et,0 HN(CH, CH, ), (1 equiv.) H,O* CH,COOH CH,CH,NH, CH,CH, Br NH(CH,CH,),(2 cquiv.) НСООСH, H,CO НСООН CH, CH, OH NaCN NaNH, Br,, FeBr, SOCI, CO,Which of the reactions shown below are correct? Y On H 1.) Na OEt O 2.) CH 3 1.) LDA OCH3 2.) CH3CH₂Br PH CHO 1.) LDA 2.) CH3CH₂Br 여 1.) NaOH, H₂O 2.) 12 Ph CH3 двосна OCH 3 CH₂
- In each reaction box, place the best reagent and conditions from the list. 1) CEN 2) 3) 4) 5) Answer Bank NANH, NaBH, acetone CH,CH, MgBr (excess) acetic acid acetate ion CH,OH, H,O* (cat.) LIAIH, (CH,),CHMgBr (excess) CH,MgBr (excess) H,0 H,0*, H,0, heat acetyl chlorideAnswer the question below the reaction. H3C H3C + H₂O In the first step of the reaction mechanism, which of the following is formed? 04S H3C OH H₂C + Excess NH4C1 CH3 CH3 OH CH3 CH3 CH3 -OH CH3 CH3 (+) .OH₂ H₂SO4 CH3Write a stepwise reaction mechanism for the following sequence of reactions. i No 1) Ph 2) KCN/H,O CI CN N
- 7. Write on the arrow of each reaction the reagent (or the corresponding letter) from the following table. A) NaBr, H2SO4, Heat B) SOC2, Heat C) Clz, hv D) ICH3, ether E) Nal, Acetone F) CH SNa, Ethanol G) KF, 18-crown-6, CH3CN H) KCN, ethanol I) NASH, DMF, heat J) CH;O'Na', CH3OH H,C H,C OCH, H,C SCH, Na OCH, 8. The following reaction describes the chlorination of ethane to yield chloroethane as the major product. hv H,c-CH, +cı, H,c-CH, +H-CI a) What is the role of light (hv)? Write the reaction. b) Draw the propagation steps of the mechanism. c) Draw the termination reaction leading to the formation of chloroethane. d) Draw the termination reaction leading to the alkane side product with twice as many carbons as ethane.In both examples below the reactants shown are combined to bring about a nucleophilic substitution (SN1, SN2) and/or elimination (E1, E2) reaction. What is the major reaction that takes place in each case? BrCH₂COCH3 CH3 CH3CH₂CCH3 NaCN CH3OH H₂O SN2 MChoose the best reagents from the list provided below for carrying out the following conversion. Match the reagent with the step number. HCl (aq), Zn(Hg) KMnO4, H3O+ CH3Cl, AlCl3 HNO3, H2SO4 Cl2, FeCl3 fuming sulfuric acid
- Please explain the chosen letter. In the sequence of reactions below, A and B are which of the following? o NaCN, (HCl) H3O+ →B (CH3),CO- A- A а. (CН3)2C(ОН)CN, (CH3)2C(ОH)соон b. (CH3)2C(ОН)CN, (CH3)2C (ОН)2 с. (CНз)2C(ОH)CN, (CH3)2CHCOОН d. (CH3)2C(OH)CN, (CH3)2C=OComplete the statement below by writing the number (from the table below) that represents the set of conditions/reagents needed, in the correct order, to carry out the reaction below. The following transformation can be accomplished by using to make the product. 1) Br2, FeBr3 2) HBr, 40 °C 3) Cl2, FeCl3 4) SO3/H₂SO4 TABLE OF REAGENTS 7) CH3CH₂COCI, AICI3 8) HNO3, H2SO4 9) CH₂CHCHCH2, heat 5) C6H5MgBr, Ether 6) CH3CH₂CH₂COCI, AICI3 Z 10) NBS, CCl4, peroxide 11) (CH3)2CHOH, H₂SO4 12) Zn (Hg) HCI to make compound Z followed by CL BrFor each of the following reactions, choose the correct reagents from the table provided below (enter the associated letter for the correct reagents in the blank). он Part A ON O,N. CH, Part B Part C H,C. ČH, OH Part D CH, CH, Part E Possible reagents for the above reactions are listed below. A) PCC B) HBr C) Cl: D) Br, FeBr, E) HCI F) Ch. FeCls G) CHOH (excess), H H) CHONa I) (CH.) NH, H- ) SOCI: K) Mg, L) Mg'. M) LIAIH. (excess) N) NARH. (excess) 0) (CH)NH. DCC P) CH MgBr (excess) Q) PBr R) CH,CH:ONa s) Br: T) CH,CH;MgBr (excess) CHCH OH. U) LDA. w) (CH) NH, NaCNBH,