4. Which ester is expected to react fastest when hydrolyzed with aqueous base? hocholische m ore...
2. Which compound is expected to be the most reactive for nucleophilic acyl substitution? 3. What is the correct name of the following compound be COCH2CH2CH3 (A) propyl 4-methylhexanoate (B) propyl 5-methylhexanoate (C) propanol 4-methylhexanoic acid (D) propyl 2-methylhexanoate 4. Which ester is expected to react fastest when hydrolyzed with aqueous base? homosan hoor hoon mootto OCH3
5) Which of the following compounds is hydrolyzed the slowest in aqueous NaOH? І п ш IV у E) II A) III B) I C) IV 6) 6) What is the major product when (CH3)2CHCH2CH2Br undergoes the following reaction sequence: (Step 1) Mg, ether (Step 2) CO2 (Step 3) H30+ A) 4-methyl-1-pentanol B) 2-methyl-2-butanol C) 4-methylpentanoic acid D) 3-methylbutanoic acid 7) Diisobutylaluminum hydride can be used to carry out which of the following conversions? A) aldehyde to carboxylic acid B)...
5) In the "reverse" of esterification, esters can be hydrolyzed with aqueous NaOH (as shown below). The factors that influence the rate of ester hydrolysis are similar to those that affect the rate of esterification described above in problem #4. The first step in this mechanism is nucleophilic attack of hydroxide on the carbonyl carbon for form a tetrahedral intermediate, followed by loss of the alcohol. OH/H20 OH/H, 0 0 0 ROH + R'OH - ROR too a. Which one...
4. Which of the alcohols named below will react fastest with HCl to form the corresponding alkyl chloride via an S 1 pathway? A. n-butyl alcohol B. sec-butyl alcohol C. t-butyl alcohol D. None of the above
16.. Which of the molecules below will react at the fastest rate when treated with a mixture of bromine and ferric bromide? OCH3 NHCH3 OCH3 NHCH3 کی کر NO2 Nc CI Et 17. Which of the following is the most acidic organic compound? NccooH HsccOOH ON- OH MeocooH D
Which haloalkane shown below would be expected to react the fastest in a typical SN 1 reaction? CH 1-C-CH3 CH3 CH; Br-C-C=CH CI-C-CH; H CH; CH; (b) CH4Cl CH; (d) CH; I-d-c-CH₂ CH I-C -C=CH2 CH31 н H CH H (f)
Which haloalkane shown below would be expected to react the fastest in a typical SN2 reaction? CH, 1-CH CH, CH -C—C=CHC1-C-CH3 н CH CH (b) CH3C1 CH; CH; Br—C—C=CH H CH; (e) CH; I-C-C=CH H H CHI (f) a. a b.b 10cc d. d e.e f. f
and a(n) 4. When an acid and base react to neutralize each other, a(n) are produced. a. new acid, new base b. new acid, salt c. new base, salt d. water, salt
1. Given the following structures that react by Sn1, which would react fastest and which would react slowest. Give reasoning. 5-bromo-1,3-pentadiene, bromocyclopentane, (R)-2-bromo-2-methylhexane. 2.If bromocyclohexane reacts faster than chlorocyclohexane in an Sn2 reaction, what could be the reason? 3.You wish to substitute the bromine in the following molecules with a nucleophile. Explain whether the given molecule would react by Sn1 or Sn2 mechanism and explain why. 1-methyl-1-bromo-cyclohexane, 1-bromopropane, 2-bromohexane. 4. Why does benzyl bromide react under both Sn1 and Sn2...
Aqueous sodium hydroxide will react with aqueous hydrochloric acid in an acid-base reaction with a ΔHrxn0 of -55.84 kJ/mole. If 25.0 mL of a 2.15 M hydrochloric solution is mixed with 25.0 mL of a 2.00 M sodium hydroxide solution (both solutions at 23.4 ºC initially), what will be the temperature of the solution when the reaction is over? Assume that the specific heat of all solutions is 4.184 J·g-1·°C-1, and that the density of all solutions is 1.00 g/cm3.