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- Question 9 of 20 Submit CI 0-CH3 :0: CI :0-CH3 A) bimolecular elimination B) nucleophilic elimination C) bimolecular nucleophilic substitution D) electrophilic addition ition Tap onal resourcesQuestion 10 of 15 Identify the nucleophile and electrophile in the following addition reaction of cyclohexanone I and cyclopropylamine Il shown below. H2N A) nucleophile = electrophile = || II B) electrophile = I; nucleophile = || 001) 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?
- CH3 CH2Br +Br2 - +HBr (a) Nucleophilic addition (c) Electrophilic addition (e) Free radical substitution (b) Nucleophilic substitution (d) Electrophilic substitutionDefine number of sigma bonds in 4-methyl-pentene-2. Select one:a. 17b. 14c. 13d. 15This reaction of carboxylic acids is called: + CH3OH OH OCH3 O A) Nucleophilic addition B) Nucleophilic elimination O C) Electrophilic substitution D) Nucleophilic acyl substitution
- 1. Give the IUPAC name of the following compounds. (a) (b) но (C) F. Д. "CI НО Br ОН1-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 AcylationClassify each chemical reaction as an addition, elimination, isomerization, or nucleophilic substitution. -- H3C-C-O-CH3 + H₂O 11 H3C-C-OH+H3C-OH H₂C=C-COO™ O-P=O OH + H₂O OH ī H H₂C-C-Coo O O-P=O I OH COO™ HC-OH CH₂ COO™ HC=0 H-C-OH CH₂OH COO™ CH || + H₂O CH COO™ CH₂OH C=O I CH₂OH
- In nucleophilic aromatic substitution reactions that proceed by the nucleophilic addition-elimination mechanism, the reaction rate increases as the electronegativity of the halogen leaving group increases: Ar-I < Ar-Br < Ar-CI < Ar-F. Which step does this suggest is the rate-determining step of the mechanism-the addition step or the elimination step? Explain.Predict the product of the following reaction. Excess Raney Ni, H2 Name the product using the IUPAC naming rules. Determine the molecular formula of the product. List atoms in alphabetical order.The ACS exam at the end of this semester covers a limited amount of IUPAC nomenclature mostly from Organic I. An example is given below, what is the IUPAC name of of the compound whose structure is shown in the box? A) E-1- butylidene-1-iodo-propane B) E-5-iodo-4-heptene C) E-1-(1-iodopropylidene)-butane D) E-3-iodo-3-heptene A В