Lab Note Book Grading Rubric Form: Trans-Cinnamic Acid Synthesis

Lab note book grading rubric form: trans-cinnamic acid synthesis

Purpose __/ 3

Procedure __/10 ___Mmoles/mass listed ___Apparatus sketches ___Appearance of reaction pot as it proceeds

__Addition of more Br2 solution until persistence of color (completion) ___Some description of crystallization/ppt of final raw product (in ice) ___Mention need to dry over night for mp and yield

Materials table __/5 Results __/5 (yield > 10% ; sensible mp; correct color indicated…light tan)

Deductions -___Format errors (no pg #, signatures, dates ) -___Egregious workmanship errors: spelling, mangled English, sloppy presentation

__/23 total

Lab note book grading rubric form: trans-cinnamic acid synthesis

Purpose __/ 3

Procedure __/10 ___Mmoles/mass listed ___Apparatus sketches ___Appearance of reaction pot as it proceeds ___Addition of more Br2 solution until persistence of color (completion) ____Some description of crystallization/ppt of final raw product ___Mention need to dry over night for mp and yield

Materials table ___/5 Results ___/5 (yield > 10% ; sensible mp; correct color indicated…light tan)

Deductions -____Format errors (no pg #, signatures, dates ) -_____Egregious workmanship errors: spelling, mangled English, sloppy presentation

___/23 total