Why is 10% HCI solution added to the reaction of benzophenone and sodium borohydride (fist step) after the 10 minute reaction time has passed? O Two create to layers for extraction. O To hydrate the final product. To destroy the unreacted sodium borohydride. O To protonate the final product.
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- 1. Suppose you want to study the influence of IO3- concentration on the rate of the reaction used in Part A. Which of the following procedures would be appropriate? a. Use different amounts of KIO3 solution with a constant amount of water and a constant amounts of NaHSO3 solution. b. Use different amounts of KIO3 solution, constant amounts of NaHSO3 solution, and different water amounts to give a constant total amount. c. Use different amounts of KIO3 solution, different amounts of NaHSO3 solution, and constant amounts of water. Explain your answer: The answer is B, I just need an explanation on whyComplete each sentence by matching with the correct statement.Increasing the concentration of a reactant: a. Increases the frequency and energy of molecular collisions which speeds up the rate of the reactionb. Reduces the energy and frequency of the collisions thus slowing down the rate of the reactionc. Increases the frequency of molecular collisions thus speeding up the rate of the reactiond. Increases the activation thus speeding up the rate of the reactione. Lowers the activation energy and speeds up the reactionf. Gives the molecules more energyAdding a catalyst to a reaction:a. Increases the frequency and energy of molecular collisions which speeds up the rate of the reactionb. Reduces the energy and frequency of the collisions thus slowing down the rate of the reactionc. Increases the frequency of molecular collisions thus speeding up the rate of the reactiond. Increases the activation thus speeding up the rate of the reactione. Lowers the activation energy and speeds up the…If 100 ml of a 1:1500 methylbenzethonium chloride lotion is diluted with an equal volume of water, what will be the ratio strength of this dilution? O a. 1:67 O b. 1:100 OC. 1:6000 O d. 1:3000 O e. 1:15000
- D. OXIDATION OF ALCOHOLS1. Place 1 mL of each of the following alcohols in separate clean test tubes: ethanol,benzyl alcohol and ethylene glycol.2. To each alcohol sample, add 2 mL of acidified potassium dichromate solution.Mix by shaking gently and observe any changes. Warm gently if necessary to startthe reaction.Record results in the table below.Alcohol Color changes observed Ethyl AlcoholBenzyl AlcoholGlycerol Equations for the oxidation of each alcohol:a. _________________________________________________________________b. _________________________________________________________________c. _________________________________________________________________E. FORMATION OF ESTERS1. To 2 mL of ethyl alcohol, add 1 mL of glacial acetic acid and 2 drops ofconcentrated sulfuric acid (CAUTION). Warm gently, then pour into a beakercontaining 20 mL of ice water previously made alkaline with sodium carbonatesolution. Stir well and note the…Why should we Study Elimination Reactions?Draw the content of the final reaction mixture. Explain your reasoning.
- 18. Mechanism cat. TSOH OH MEOH, refluxWhich of the following parameters affects the rate and kinetics of a reaction? A. Solvent medium B. Reaction temperature C. Reaction time D. Geometry and structure of the alkyl halide E. pHThe initially red color has faded in the course of the reaction. Briefly explain why did the color disappear. BIU - Format
- Fill in all reagents.Determine the steps to proceed the following synthesis. Please analyze the 4th reaction.In each reaction box, place the best reagent and conditions from the list. 1) CEN 2) 3) 4) 5) Answer Bank NANH, NaBH, acetone CH,CH, MgBr (excess) acetic acid acetate ion CH,OH, H,O* (cat.) LIAIH, (CH,),CHMgBr (excess) CH,MgBr (excess) H,0 H,0*, H,0, heat acetyl chloride