Question

1. Consider the reaction below. (a) Complete the E1 reaction mechanism, by drawing the bond-line structure for the major product formed. Use appropriate curved arrows. Include intermediates and by-products. CH3 H OH cc. H2SO4, 125°C (b) Draw a minor product formed. No reaction mechanism. 2. List the substrates in order of increasing reactivity in an E2 reaction mechanism. Assume that Zaitsev's rule applies. No explanation. (1) Br (2) Cl (3) Cl (4) Br (5) Br (6) Br slowest fastest 3. Consider the following elimination reaction: Br CH3OH ? (a) Draw the bond-line structure(s) for the final product(s) only. Label each product as major or minor, if any. Omit intermediates and by-products. No reaction mechanism. (b) Write which elimination mechanism is more likely to occur, E1 or E2. 4. For the given reaction: (i) draw the bond-line structure for one elimination product and for one substitution product. (ii) Circle which elimination or substitution mechanism is most likely to occur. (iii) Circle which is major and which is minor. Omit intermediates and by-products. No reaction mechanism. Cl CH3S? (i) Elimination product (i) Substitution product (ii) E1 or E2 SN1 or SN2 (iii) major or minor major or minor

          1. Consider the reaction below.
(a) Complete the E1 reaction mechanism, by drawing the bond-line structure for the major product formed.
Use appropriate curved arrows. Include intermediates and by-products.
CH3 H
OH
cc. H2SO4, 125°C
(b) Draw a minor product formed. No reaction mechanism.
2. List the substrates in order of increasing reactivity in an E2 reaction mechanism. Assume that Zaitsev's rule applies. No explanation.
(1) Br (2) Cl (3) Cl (4) Br (5) Br (6) Br
slowest fastest
3. Consider the following elimination reaction:
Br CH3OH ?
(a) Draw the bond-line structure(s) for the final product(s) only. Label each product as major or minor, if any. Omit intermediates and by-products. No reaction mechanism.
(b) Write which elimination mechanism is more likely to occur, E1 or E2.
4. For the given reaction: (i) draw the bond-line structure for one elimination product and for one substitution product. (ii) Circle which elimination or substitution mechanism is most likely to occur. (iii) Circle which is major and which is minor. Omit intermediates and by-products. No reaction mechanism.
Cl CH3S?
(i) Elimination product
(i) Substitution product
(ii) E1 or E2 SN1 or SN2
(iii) major or minor major or minor

1. Consider the reaction below.
(a) Complete the E1 reaction mechanism, by drawing the bond-line structure for the major product formed.
Use appropriate curved arrows. Include intermediates and by-products.
CH3 H
OH
cc. H2SO4, 125°C
(b) Draw a minor product formed. No reaction mechanism.
2. List the substrates in order of increasing reactivity in an E2 reaction mechanism. Assume that Zaitsev's rule applies. No explanation.
(1) Br (2) Cl (3) Cl (4) Br (5) Br (6) Br
slowest fastest
3. Consider the following elimination reaction:
Br CH3OH ?
(a) Draw the bond-line structure(s) for the final product(s) only. Label each product as major or minor, if any. Omit intermediates and by-products. No reaction mechanism.
(b) Write which elimination mechanism is more likely to occur, E1 or E2.
4. For the given reaction: (i) draw the bond-line structure for one elimination product and for one substitution product. (ii) Circle which elimination or substitution mechanism is most likely to occur. (iii) Circle which is major and which is minor. Omit intermediates and by-products. No reaction mechanism.
Cl CH3S?
(i) Elimination product
(i) Substitution product
(ii) E1 or E2 SN1 or SN2
(iii) major or minor major or minor

Added by Courtney W.

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