1. What is the balanced equation for main and side reactions? 2. How would I cal
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Question
1. What is the balanced equation for main and side reactions? 2. How would I calculate theoretical yield?Haven’t done the experiment yet but I need to know this before class. 61 THE GRIGNARD REACTION Synthesis of 2-Methyl-2-hexanol 1. Mg OH 2. acetone H,C Introduction Background reading to be read prior to the experiment: See the Chemistry 334L syllabus for reading material in the Chemistry 334 textbook The Grignard reaction is a versatile method for carbon-carbon bond construction. The reaction of a Grignard reagent, RMgX (an alkyl-, alkenyl-, alkynyl-or arylmagnesium halide), with an aldehyde affords a secondary alcohol upon aqueous workup. The analogous reaction with a ketone affords a tertiary alcohol upon aqueous workup. This latter transformation will be explored in today's experiment Experimental Physical Properties of Reagents, Solvents and Products density D 1.276 MW mg or mL mmol mpbp 112 °C 100-104 oC 1-bromobutane 137.03 1.6 mL
Explanation / Answer
Q1:A side reaction is a chemical reaction that occurs at the same time as the actual main reaction, but to a lesser extent. It leads to the formation of by-product, so that the yield of main product is reduced
main reaction does not lead to form the by product and main product is formed.
Q2:Actual yield :the mass of product formed in a chemical reaction.
Theoritical yield:the mass of product that should formed in a chemical reaction according to the stoichiometry of the balanced equation.
%yield :actual yield divided by theoritical yield times 100.
so Theoritical yield =actual yield /%yield *100
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