Question

Table 1: Synthesis reaction data Mass(); Molecular weight (g/mol Moles (moles): Original Benzophenone 4.53g 182.22 g/mol Recovered Prod. (Benzhydrol) 4.28 g 184.24 g/mol TI DI IT 1 TI Table 2: Final results from reactie Theoretical yield of product (g): Actual yield of product (g): % yield of product: TI UUL 1

Answer 1

THom Table 4 we Know, no. o6 moles of a ompound Mass ot the Lompound qiven by us Molecular weight of Lompound Here, in ase of Original benz0phenane mass of the LOmpound =4.53 4 uoleular weigut ols gImol 22 182 NO. O4 moles of benzo phenone 4.53 9 - 0.0249 mol 182.22 qlmol 0.025mol . Similary NO-O6 moles of 4.28 9 z O.0232 mol benzhydrel 84.24 glmol 0.023mo1

from Table 2 Guven sto synthesize feenz hydreol he ractiein from benzopnenore. The possi ble reacaon scheme is Nasb H4 /H26 OH Benzhydrcol Benzophenone Guven Moleuuar we ght at benLOphenone = l€2.22 glmol Benzhydrol c 184.24 Ime 4 To caluare the theoretias yiald o benzhy dreol rom Benzophenene we uu conaider the tact that it we take 182.22q /mol ben zophenone ie, its molewlar weight equivalent to syn thesize Bbenzhydheol, then benzhydrol uhich is its mdeular weight ges exactty 184.24 g/mol we uiu equivalent This is theorexical yield an assomption to calulate 182.22 a/mol Penzophenone shouud give I84.24 g/mol Pbenzydrol 60, 4.53 9 Showd give 184. 24 Imol x4.53g 182. 22 9Imol Amourt of Penzophenone taken originally 4,58 q Theoretical yield df henzhy drel (in g

4.589 of benzhydcol wouud be ideal onda'ono ok the obtained under the experiment But we see that, the Hecovered phoduct 4.28 9 given is mars 4.28 Thus, the actoal yield S we Know No calaulate %o ieid Acutal yield Theoretical yieud x (00% 4.28 - x 100 7) 4.58 293.45 90