The last step in the reaction of sodium carbonate with acid is what type of reac

Question

The last step in the reaction of sodium carbonate with acid is what type of reaction? Select one: addition elimination substitution Given the following net products in the reaction of cyclohexene with bromine, is this reaction an overall oxidation, reduction or not a redox of carbon from reactant to product? Select one: oxidation reduction not a redox Using the following atomic weights and that the density of cyclohexanol is 0.96, what is the % yield of a reaction that starts with 6.4 mL of cyclohexanol and ends with 2.1 g of cyclohexene? C = 12, H = 1, O = 16

Explanation / Answer

Q1.

last step is simply an elimination of H2O (water)

b)

Br2 goes fom 0 to -1

therefore, the product is being oxidized...

overall oxiation

C)

cyclohexanol D = 0.96

% yield of:

6.4 mL of cyclohexanol --> 2.1 g of Cyclohexene

cyclohexanol MW = 100.158   

Cyclohexene MW = 82.143

mol expected form cyclohexanol = mass/MW = D*V/MW = 0.96*6.4/100.158 = 0.0613 mol of reactant

expected --> 0.0613 mol of product

mol of product = mass/MW = 2.1/82.143 = 0.0255

Yield = real/theoretical * 100 = 0.0255/0.0613 *100 = 41.598 %

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