Question

How do i calculate the theoretical yield?

Benzaldehyde + cyclohexanon = Bis-benzylidene hexanone.

I used 0.25 g of benzaldehyde and 0.20g of cyclohexanone to make bis benzylidene hexanone.

cyclohexanone Molecular weight was 98.14 g/mol

Benzaldehyde molecular weight was 106.12 g/mol

Answer 1

HO ........ ...- DEA . Benzaldehyde (gelohexanone Bila-(benzylidenet-1-cyclohrsanone -{product) ... 2 Benzaldehyde + Cycloberanore – Bas(benzylideney--yclo xanone - - No of moles of Benzaldehyde = Mass a Molar Mass = 0.25g = 0.002356 mol 706 12 glmal No of males of cyclohexanone = 0.20g = 0.002038 mal - 98-14g mot In the balanced rxh 2 moles of Benzaldehyde reacts with y mole of Cyclohexanone 0 0.00 23 56 mol of Benzaldehyde should require 0.0023 56 x 2 = 0.004712 mol of cyclohexanone. But as ho of moles of cyclohexanone available are less fog cyclohexanone is the limiting Reagent and thus Cyclohexanone will determine the amount of product that can be formed - 1 mol cyclohexanone gives 1 mol of product . No of moles of product formed = 0.00 2038 mal 7. Theoretical Yield = No of molesx Molar Mass = 0.00 2038 mal X 274. 4 glmal = 0.559 g = 0.60g ----