Procedure and question |
I want an equation for the reaction of 1-Butanol and 2-methyl-2-propanol (t-butyl alcohol) Procedures : Please notice that we used using ammonium salt instead of using HBr and HCl. 1. 30 ml of sulphuric acid 40g of ice in a beaker was poured into a 250 ml round bottom three-neck flask. 11.50 ammonium chloride was added 19.5 g of ammonium bromide
2. Reflux it 12.5 g of (1-butanol or 2-methyl-2-propanol) was added slowly After 1 hour, 1-butanol result After 0.5 hours, t-butyl alcohol result Remove it when attaches to the boiling point
3. Washed with 10 ml portions of concentrated sulphuric acid, one 75 ml portion of water, and one 75 ml portion of 3% aqueous NaHCO3.
4. Use 50 ml Erlenmeyer flask to collect the organic layer
5. Add few grams of anhydrous calcium chloride to the mixture to dry if from the excess water.
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Competing NucleophilesNUCLEOPHILIC SUBSTITUTION REACTIONS:COMPETING NUCLEOPHILES1. Give a full balanced equation for the reaction of 1-Butanol and 2-methyl-2-propanol (t-butyl alcohol) as per this experiment. Why are ammonium salts used here instead of using the related acids HBr and HCl?2. Using the two GC Chromatograms provided showing the analysis the product mixture of each of the reactions, determine the % relative amounts of alkyl chloride and alkyl bromide in each of the two products. Show your calculations in full.
What alcohol IR spectrum is that when reacted with acetic
acid
UNKNOWN D PPM 112 1-butanol (n-butyl alcohol) 2-butanol (sec-butyl alcohol) 2-methyl-1-propanol (isobutyl alcohol) 3-methyl-1-butanol (isopentyl alcohol) 1-pentanol (n-pentyl alcohol) 2-pentanol 3-pentanol cyclopentanol
5.0 ml of 2-methylcyclohexanol was placed in a 50 ml round bottom flask. Phosphoric acid (85%, 5 ml) was added cautiously, and the mixture swirled. Boiling stones were added to prevent bumping during heating. The mixture was heated to reflux temperature and refluxed for 15 minutes. The products were collected between 85-90 ˚C, in a small round bottom flask, cooled in ice water. Isolation Procedure The distillate was washed with 2 x 5 ml saturated sodium chloride solution in a...
12. Run and compare the top final distillate. 1. In this experiment, what is the purpose of the following: a. not allowing the temperature to go above 35°C when sodium dichromate is added to the alcohol b. oxalic acid c. sodium chloride d. anhydrous magnesium sulfate. 2. Provide balanced equations for the oxidation of the following: a. 2-propanol to acetone, by means of Cr,0,-/H b. oxalic acid to carbon dioxide, by means of Cr,0,-2/H c. benzaldehyde in basic MnO,-to yield...
What factor is most important in determining the chemistry of an
organic molecule?
Question 21 options:
the functional groups
the number of carbon-carbon bonds
the number of carbon-hydrogen bonds
the number of branches in the carbon chain
What type of isomers are the following structures?
Question 22 options:
enantiomers
cis-trans isomers
totally different molecules
constitutional isomers
An unknown compound B has been determined to be
either propanal, propanoic acid or propanol. The unknown is fairly
soluble in water and reacts...
1. Write the OVERALL reaction for this lab. 2. Show the mechanism's steps for this reaction. Be sure to include the arrows showing where the electrons are being transferred. 3. What is(are) the intermediates in this mechanism? 4. Which step is the rate determining step? 13 SN1: Synthesis of tert-Butyl Chloride Alkyl halides can be prepared from their corresponding alcohols via an acid catalyzed substitution reaction. The mechanism of these acid catalyzed substitution reactions are labeled as Syl (substitution, nucleophilic,...
Introduction
A common method for synthesizing alkenes is by dehydrating
(removing the elements of water) an alcohol. The dehydration is
accomplished by heating the alcohol with either phosphoric or
sulfuric acid. In this experiment, the dehydration reaction is
illustrated by the conversion of 2-methylcyclohexanol to a mixture
of alkenes (remember the Saytzeff rule).
Information
Each step of this E1 elimination reaction is reversible and
thus, the reaction may be driven to completion by removing one or
more of the products,...
13 SN1: Synthesis of tert-Butyl Chloride Alkyl halides can be prepared from their corresponding alcohols via an acid catalyzed substitution reaction. The mechanism of these acid catalyzed substitution reactions are labeled as Syl (substitution, nucleophilic, unimolecular) and S2 (substitution, nucleophilic, bimolecular). Tertiary alcohols follow the Snl route, primary alcohols follow the S2 route, and secondary alcohols can follow either path. Under acidic conditions, the mechanism (Figure 1) of the Sul reaction involves rapid protonation of the alcohol, followed by the...
13 SN1: Synthesis of tert-Butyl Chloride Alkyl halides can be prepared from their corresponding alcohols via an acid catalyzed substitution reaction. The mechanism of these acid catalyzed substitution reactions are labeled as Syl (substitution, nucleophilic, unimolecular) and S2 (substitution, nucleophilic, bimolecular). Tertiary alcohols follow the Snl route, primary alcohols follow the S2 route, and secondary alcohols can follow either path. Under acidic conditions, the mechanism (Figure 1) of the Sul reaction involves rapid protonation of the alcohol, followed by the...
A Grignard reaction was performed using the following steps: Step 1: Addition of Grignard Reagent: Phenyl Magnesium Bromide a solution of phenyl magnesium bromide (2.7 mL of a 3.0 M solution in anhydrous diethyl ether) and 5 mL of anhydrous diethyl ether was dispensed into the round-bottom flask and stirred with a stir bar. Step 2: Addition Formation: Reaction with Benzophenone A solution of 0.72 g (mp = 48-49 degrees C) of benzophenone and 2.0 mL of anhydrous diethyl ether...