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What happens in the first step of this reaction? & H + H2O OH OH The...
What statement is TRUE about the mechanism for the reaction shown here? CH(CH2)2CO CH -COẠCH NaOH...
What statement is TRUE about the mechanism for the reaction shown here? CH(CH2)2CO CH -COẠCH NaOH CH3(CH)1200CH excess heat CH(CH3COACH Water attacks the carbonyl carbon to form a tetrahedral intermediate. The first step of the reaction involves protonation of the ester carbonyl oxygen. One of the products formed is glycerol. The hydroxide deprotonates the alpha carbon. Which bases among the following is/are used for irreversible enolate formation of acetaldehyde? NaH NaOMe II LDA III NaNH2 IV NaOH y II and...
Arrange the indicated protons by acidity, most acidic first: H I II III IV IV>II> III...
Arrange the indicated protons by acidity, most acidic first: H I II III IV IV>II> III >I OI>IV>III > II OIV >I> III > II I> IV > II > III What product is expected from the following reaction? но 1. LiAIH ether 2. H,00 Оно он он н Arrange the indicated protons by acidity, most acidic first: H I II III IV IV>II> III >I OI>IV>III > II OIV >I> III > II I> IV > II > III...
What happens in the first step of this reaction? 0 o OCH; H + CH3OH OH...
What happens in the first step of this reaction? 0 o OCH; H + CH3OH OH The hydroxyl group of the alcohol becomes protonated The carbonyl oxygen becomes protonated The methoxy group of the ester becomes protonated The carbonyl carbon becomes protonated OH Ne Cryo H SOHO 1) PB, B2 2) H20 O OH Br H or Br OH Br Why is the following reaction not reversible? O Nao O Naci CI The reactants are more stable than the products...
What is the IUPAC name of the given molecule? OH Br 1-bromo-2-ethyl-2-hydroxy-3-methylpentanoic acid 2-ethyl-3-methylpentan-2-ol-1-carboxyl bromide 2-ethyl-3-methyl-2-ol-pentanoyl...
What is the IUPAC name of the given molecule? OH Br 1-bromo-2-ethyl-2-hydroxy-3-methylpentanoic acid 2-ethyl-3-methylpentan-2-ol-1-carboxyl bromide 2-ethyl-3-methyl-2-ol-pentanoyl bromide O2-ethyl-2-hydroxy-3-methylpentanoyl bromide What statement is TRUE about the mechanism for the reaction shown here? CH,(CH)2CO,CH, NaOH CH3(CH12COCH excess heat CH3(CH)2CO,CH2 Water attacks the carbonyl carbon to form a tetrahedral intermediate. The first step of the reaction involves protonation of the ester carbonyl oxygen. One of the products formed is glycerol. The hydroxide deprotonates the alpha carbon. Which bases among the following is/are used...
help Which one is the major product of the following reaction sequence? 1. excess CHI 2....
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Which one is the major product of the following reaction sequence? 1. excess CHI 2. Ag,0,H,O heat NH2 о What happens in the first step of this reaction? не OH + H2O OH The carbonyl carbon becomes protonated The water becomes protonated The sp oxygen of the ester becomes protonated The carbonyl oxygen becomes protonated
What is the product of the following addition? aqueous base HO - What is an intermediate...
What is the product of the following addition? aqueous base HO - What is an intermediate in the acetal formation of the acetone with 1-propanol? OI and II OI, IV and VI Ill and v Oll and IV O III and VI O IV, V and VI
Question 5 (1 point) Concerning the equation, ! Law NH3 + H2O <-> NH4+ + OH",...
Question 5 (1 point) Concerning the equation, ! Law NH3 + H2O <-> NH4+ + OH", (<-> consider as an equilibrium arrow) which of the following statements are TRUE? (0) NH3 and OH' are weak bases. (ii) NH3 is a Bronsted base and NH4+ is its conjugate acid. (iii) H20 is a Bronsted acid and OH is its conjugate base. (iv) NH4+ is a weaker acid than H20. O all statements are true 'Oi, ii, iii Oli, iv Oi, ii...
3) Identify the first mechanistic step in the reaction shown below. H2O OH Lilia ci H-Ö: H-02 4) Rank the following fro...
3) Identify the first mechanistic step in the reaction shown below. H2O OH Lilia ci H-Ö: H-02 4) Rank the following from least reactive to most reactive towards nucleophilic acyl substitution. NH2 ОСН3 III IV a) II <I< IV < III b)I<IV < II < III c) III <IV <I<II d) I< II <IV < III
What is the most likely product of the following reaction? OH PCIE CI ylyl my 1...
What is the most likely product of the following reaction? OH PCIE CI ylyl my 1 II OI II O III O IV a racemic mixture of I and II
Predict the product from the following sequence: H OH H07 NaBH CH;OH ? heat (-H2O) OH...
Predict the product from the following sequence: H OH H07 NaBH CH;OH ? heat (-H2O) OH OH Z and E) H ОН ОН II DI (Z and E) OH H H OH IV O A. IV OB. OC. V OD. 11 E. III
What statement is TRUE about the mechanism for the reaction shown here? CH(CH2)2CO CH -COẠCH NaOH CH3(CH)1200CH excess heat CH(CH3COACH Water attacks the carbonyl carbon to form a tetrahedral intermediate. The first step of the reaction involves protonation of the ester carbonyl oxygen. One of the products formed is glycerol. The hydroxide deprotonates the alpha carbon. Which bases among the following is/are used for irreversible enolate formation of acetaldehyde? NaH NaOMe II LDA III NaNH2 IV NaOH y II and...
Arrange the indicated protons by acidity, most acidic first: H I II III IV IV>II> III >I OI>IV>III > II OIV >I> III > II I> IV > II > III What product is expected from the following reaction? но 1. LiAIH ether 2. H,00 Оно он он н Arrange the indicated protons by acidity, most acidic first: H I II III IV IV>II> III >I OI>IV>III > II OIV >I> III > II I> IV > II > III...
What happens in the first step of this reaction? 0 o OCH; H + CH3OH OH The hydroxyl group of the alcohol becomes protonated The carbonyl oxygen becomes protonated The methoxy group of the ester becomes protonated The carbonyl carbon becomes protonated OH Ne Cryo H SOHO 1) PB, B2 2) H20 O OH Br H or Br OH Br Why is the following reaction not reversible? O Nao O Naci CI The reactants are more stable than the products...
What is the IUPAC name of the given molecule? OH Br 1-bromo-2-ethyl-2-hydroxy-3-methylpentanoic acid 2-ethyl-3-methylpentan-2-ol-1-carboxyl bromide 2-ethyl-3-methyl-2-ol-pentanoyl bromide O2-ethyl-2-hydroxy-3-methylpentanoyl bromide What statement is TRUE about the mechanism for the reaction shown here? CH,(CH)2CO,CH, NaOH CH3(CH12COCH excess heat CH3(CH)2CO,CH2 Water attacks the carbonyl carbon to form a tetrahedral intermediate. The first step of the reaction involves protonation of the ester carbonyl oxygen. One of the products formed is glycerol. The hydroxide deprotonates the alpha carbon. Which bases among the following is/are used...
help
Which one is the major product of the following reaction sequence? 1. excess CHI 2. Ag,0,H,O heat NH2 о What happens in the first step of this reaction? не OH + H2O OH The carbonyl carbon becomes protonated The water becomes protonated The sp oxygen of the ester becomes protonated The carbonyl oxygen becomes protonated
What is the product of the following addition? aqueous base HO - What is an intermediate in the acetal formation of the acetone with 1-propanol? OI and II OI, IV and VI Ill and v Oll and IV O III and VI O IV, V and VI
Question 5 (1 point) Concerning the equation, ! Law NH3 + H2O <-> NH4+ + OH", (<-> consider as an equilibrium arrow) which of the following statements are TRUE? (0) NH3 and OH' are weak bases. (ii) NH3 is a Bronsted base and NH4+ is its conjugate acid. (iii) H20 is a Bronsted acid and OH is its conjugate base. (iv) NH4+ is a weaker acid than H20. O all statements are true 'Oi, ii, iii Oli, iv Oi, ii...
3) Identify the first mechanistic step in the reaction shown below. H2O OH Lilia ci H-Ö: H-02 4) Rank the following from least reactive to most reactive towards nucleophilic acyl substitution. NH2 ОСН3 III IV a) II <I< IV < III b)I<IV < II < III c) III <IV <I<II d) I< II <IV < III
What is the most likely product of the following reaction? OH PCIE CI ylyl my 1 II OI II O III O IV a racemic mixture of I and II
Predict the product from the following sequence: H OH H07 NaBH CH;OH ? heat (-H2O) OH OH Z and E) H ОН ОН II DI (Z and E) OH H H OH IV O A. IV OB. OC. V OD. 11 E. III
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