The mechanism for the reaction between Grignard reagent and oxetane to produce primary alcohol is to be proposed and the reason corresponding to the fact that oxetane reacts with Grignard reagent even though most ethers do not is to be stated. Concept introduction: The reaction of metals like lithium and magnesium with vinyl halides, alkyl halides and aryl halides gives organometallic compound as a product. The compounds in which carbonyl groups are present like ketone or aldehyde react with Grignard reagent to form alcohol. The examples of Grignard reagent are ethyl magnesium bromide and PhMgBr . Ether is used as the solvent in the Grignard reactions. To determine: The mechanism for the reaction between Grignard reagent and oxetane to produce primary alcohol and the reason corresponding to the fact that oxetane reacts with Grignard reagent even though most ethers do not.

Question

1. This experiment is more about understanding the colligative properties of a solution rather than the determination of the molar mass of a solid. a. Define colligative properties. b. Which of the following solutes has the greatest effect on the colligative properties for a given mass of pure water? Explain. (i) 0.01 mol of CaCl2 (ii) 0.01 mol of KNO3 (iii) 0.01 mol of CO(NH2)2 (an electrolyte) (an electrolyte) (a nonelectrolyte)

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Question

Chapter 10, Problem 10.48SP

Interpretation Introduction

Interpretation: The mechanism for the reaction between Grignard reagent and oxetane to produce primary alcohol is to be proposed and the reason corresponding to the fact that oxetane reacts with Grignard reagent even though most ethers do not is to be stated.

Concept introduction: The reaction of metals like lithium and magnesium with vinyl halides, alkyl halides and aryl halides gives organometallic compound as a product.

The compounds in which carbonyl groups are present like ketone or aldehyde react with Grignard reagent to form alcohol.

The examples of Grignard reagent are ethyl magnesium bromide and PhMgBr.

Ether is used as the solvent in the Grignard reactions.

To determine: The mechanism for the reaction between Grignard reagent and oxetane to produce primary alcohol and the reason corresponding to the fact that oxetane reacts with Grignard reagent even though most ethers do not.

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1. This experiment is more about understanding the colligative properties of a solution rather than the determination of the molar mass of a solid. a. Define colligative properties. b. Which of the following solutes has the greatest effect on the colligative properties for a given mass of pure water? Explain. (i) 0.01 mol of CaCl2 (ii) 0.01 mol of KNO3 (iii) 0.01 mol of CO(NH2)2 (an electrolyte) (an electrolyte) (a nonelectrolyte)

5. b. For Trials 2 and 3, the molar mass of the solute was 151 g/mol and 143 g/mol respectively. a. What is the average molar mass of the solute ? b. What are the standard deviation and the relative standard deviation (%RSD) for the molar mass of the solute ?

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