Identify nucleophile and electrophile in each of the following reactions. Circle the nucleophilic atom and use an arrow to indicate the electrophilic atom a) b) -H Br Br HN CH31 DMSO + O Na N3 DMSO CH3 H N3 + NaBr N
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- 1) The carbon-oxygen double bond present in aldehydes and ketones is very polar. What does this mean and how does it arise? 2) The carbon-oxygen double bond is readily attacked by nucleophiles like cyanide ions or ammonia. (i) What do you understand by the term nucleophile? (ii) Which part of the carbon-oxygen double bond is attractive to nucleophiles? 3) Why is there a difference between aldehydes and ketones in their response to oxidizing agents such as potassium dichromate(VI) solution acidified with dilute sulfuric acid?Which of the following chemical equations depicts an alkylation reaction? C6H6() + CH3Cl() → C6H5CH3() + HCl(g) 2 CH3OH() + 3 O2(g) → 2 CO2(g) + 4 H2O() C6H12() → C6H10() + H2(g) CH2ClCH2Cl(g) + H2(g) → CH3CH3(g) + Cl2(g) CHClCHCl(g) → CH2ClCH2Cl(g)1-Draw the structure and write the IUPAC name of celecoxib 2- Draw the structure of organic compound (O-cresol) Name and Draw the structures of all possible chemical (Electrophilic aromatic substitution) reactions of the compound namely; Halogenation (Chlorination or Bromination) Nitration Sulphonation Friedal Craft Alkylation Friedal Craft Acylation
- Rank the reactivity of the compounds below toward nucleophilic acyl substitution by writing the compounds' letters in the proper blanks in the box below. `NH CI Br CH3 CH3 A В C E rank compounds for acyl substitution reactivity most least reactive reactiveWhen propene reacts with gaseous hydrogen bromide, HBr, two products, 1-bromopropane and 2-bromopropane are formed. The reaction is a two-step process in which the electrophilic attack occurs in the first step. Identify the electrophile in this reaction Draw a diagram showing the first step of the reaction that leads to the production of 2-bromopropane.When a substituted benzene undergoes an electrophilic aromatic substitution reaction, where doesthe new substituent attach itself?
- Consider the following nucleophilic substitution reaction. The compound listed above the arrow is the solvent for the reaction. If nothing is listed over the arrow, then the nucleophile is also the solvent for the reaction. I acetone + HS5) There are two aromatic rings in the structure. Indicate what positions an electrophile can attack and explain it with the resonance structures. CH3Draw the organic product you would expect to isolate from the nucleophilic substitution reaction between the molecules shown. Note: You do not need to draw any of the side products of the reaction, only the substitution product. + H₂O Cl + ☑ 5 C Click and drag to start drawing a structure.