Reactants: Cyclohexanol and Sodium hypochlorite (commercial bleach solution - 5.

Question

Reactants: Cyclohexanol and Sodium hypochlorite (commercial bleach solution - 5.25% NaCIO or 0.75 M) Initiator: Glacial acetic acid - 6 ml^1 Calculate the amount of cyclohexanol required to yield 0.100 moles of cyclohexanone, assuming a 100% yield. Use this theoretical amount of cyclohexanol. Use 155 ml of commercial bleach solution; calculate the mole quantity used. Calculate the mole ratios of the reactants used. When calculating amounts of reactants, round final masses to 1 decimal place and final volumes to whole numbers. APPARATUS: A 300 ml round-bottom flask with thermometer well A 250 ml dropping funnel (Separatory funnel used for reagent addition)

Explanation / Answer

Solution :-

Cyclohexanol + NaClO    ---------- > Cyclohexanone  

The balanced reaction equation have 1 :1 mole ratio of the reactants and products.

a) To produce the 0.100 mol cyclohexanone we need to use 0.100 mol cyclohexanol since mole ratio is 1 :1

So the mass of the cylohexanol needed is calculated as follows

Mass of cyclohexanol = moles * molar mass

                                       = 0.100 mol * 100.158 g per mol

                                      = 10.02 g cyclohexanol

b) calculating the moles of NaOCl in the 155 ml solution

commercial bleach solution is 0.75 M

Moles of NaClO = molarity * volume in liter

                              = 0.75 mol per L * 0.155 L

                              = 0.116 mol NaClO

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