tooalg nocxo5g amount of sodium borohydride used product obtained product theore

Question

tooalg nocxo5g amount of sodium borohydride used product obtained product theoretical yield product percent yield Write the equation for the overall reaction: Identifying the Product product (34-159.5 (±)-benzoin 135-13 meso-hydrobenzoin 137-139 eting point, oC p with (±)-benzoin, °C p with (t)-benzoin, C a-12 1 a- p with meso-hydrobenzoin, °1-1uo Ri Post-Laboratory Questions: On a separate sheet (preferably typed) complete the post- laboratory questions in your labortory manual. Question #5 is omitted. Show all calculations! calculations CHEM 3118 Organic Chemistry Laboratory SMU Chemistry Department

Explanation / Answer

Answer – We are asking for the writing the balanced equation for the synthesis of benzoin.

So it is as follow-

4 C14H10O2+ NaBH4 + 4 CH3OH --> 4 C14H12O2 + NaB(OCH3)4

We are given mas of product, means mass of benzoin (C14H12O2) = 0.0244 g

Moles of benzoin (C14H14O2) = 0.0244 g / 212.24 g.mol-1

                                                = 0.000115 moles of product.

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