Which of the following are TRUE about linear syntheses? Question 7Select one: A. They are easier to execute B. They are the most efficient strategy for all syntheses C. They are generally shorter than convergent syntheses D. They are less versatile compared to convergent syntheses
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Which of the following are TRUE about linear syntheses?
Question 7Select one:
A.
They are easier to execute
B.
They are the most efficient strategy for all syntheses
C.
They are generally shorter than convergent syntheses
D.
They are less versatile compared to convergent syntheses
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- Which of the following is the rule which states that the more substituted product is the major product in an elimination reaction? O 1) Boyle's Law O 2) Markovnikov's Rule 3) Zaitsev's Rule O 4) LeChatlier's Principle9. Consider the pair of reactions below to answer the following question(s). КОН a. CH,CH,NH2 CH=CH, heat or КОН CH;CH,OTos CH=CH, heat 1. Which reaction above is faster and why? II. Doubling the concentration of potassium hydroxide in these reactions: a. causes the reaction mechanism to change b. halves the rate of reaction C. has no effect on the rate of reaction d. doubles the rate of reaction IL The mechanism for these reactionsis: a. SN2 b. E2 C. SN1 d. E1 b.Question 4 Which reaction below would be the fastest? A. CH3CH2 B. С. OA Ов OC CH₂CH₂ CH,CH2- OTOS -C-CH2CH3 + OH- Н OCH3 -C-CH₂CH₂ Н - ОН -c-CH2CH3 + ОН H20 Н2О HO ➤ CH₂CH₂- CH₂CH₂- CH₂CH₂- ОН Н ОН Н -CH₂CH3 + Toso ОН H -CH₂CH₂ -C-CH₂CH₂ - CH3O- r
- QUESTION 4 Use the reaction shown below to answer questions 4-5. HO Reaction C Reaction D Consider the structural changes that take place during Reaction C and Reaction D. (Make a list of objectives.) Which fundamental mechanisms take place during Reaction C and Reaction D? Choose one mechanism for each reaction. O Reaction C: SN2 O Reaction C: SN1 O Reaction C: E1 (Zaitzev's rule) OReaction D: E1 (Zaitzev's rule) O Reaction D: E2 (Hofmann's rule) O Reaction D: E2 (Zaitzev's rule) QUESTION 5 но Reaction C Reaction D Consider the structural changes that take place during Reaction C and Reaction D and the fundamental mechanisms that you identified from the previous question. Fill in the boxes with the missing reagent that is required to complete Reaction C and Reaction D? Choose one reagent per reaction. O Reaction C: HCI O Reaction C: Cl2, heat O Reaction C: Pyridine, SOCI2 O Reaction D. KOC(CH3)3 O Reaction D. NaOCH2CH3 O Reaction D: HOCH2CH3QUESTION 4 Which of the following is NOT an intermediate in the mechanism for this hydrolysis? 00 1.A 2.B 3.c 4.D 5.E A не с B ОН H3O+, heat C ОН ОН D _н ОН E ооUse the dropdown menu to indicate whether the rate of the reaction shown below will increase, decrease, or remain the same when the reaction conditions are changed to X or to Y or to Z (see below). NaCN Br CN CH3CN X: Change the leaving group from Br to CI Y: Increase the concentration of haloalkane Z: Increase the concentration of NaCN X: choose your answer... Y: choose your answer... Z: choose your answer... >
- QUESTION 2 Answer the question below the reaction. O + Excess NH4C1 +H₂O In the second step of the reaction mechanism, which of the following is formed? CH3 CI H₂C O CI H₂C O OH H₂C CH3 H₂C CH3 U 34 CH3 CH3 CH3 CH3 H₂SO4 CH3 CIFill in the missing products and intermediates in the following set of Grignard reactions. The products of the first two, "A" and B", are used as indicated in the third.chemistry drawing questions need help
- ll your answers will automatically save as you proceed through the test. == Question 2 Fill in the Blanks Br + H₂O CH3OH ? room temperature 1. The order of the reaction is Blank 1 2. The nucleophile in the reaction is Blank 2 (first order, second order) 3. Increasing the concentration of the nucleophile (increases, decreases, does not affect) the reaction rate. Blank 3 4. The alkyl halide is Blank 4 (primary, seconday, tertiary) 5. Changing the alkyl halide to 1-bromo-1-methylcyclohexane will Blank 5 (increase, decrease, does not affect) the reaction rate. 6. The product (s) of this reaction proceeds by Blank 6 no rearrangement) and Blank 7 (A, B, C, D) is/are formed. A OCH3 OCH3 B Answers typed in all of the blanks will be automatically saved. X. Χ Ω - Consider the following reaction: OCH 3 (rearrangement, OCH3 C DNoneWhat kind of reaction is an 'Grignard reaction'? Also What is the critical intermediate that can be isolated?