Biology homework help

To answer questions 2, 3 and 6, optical rotation of (1R,2R)-(?)-1,2-Diaminocyclohexane[?]20/D ?10.36°, c = 5To answer question 5, optical rotation of the synthesized diimine (Jacob’s ligand) [?]D20= – 315° (c=1, CH2Cl2).1)Draw the structure of 1R,2R)-(?)- 1,2-Diaminocyclohexane2) Discuss the optical rotation value obtained for both racemic 1,2-diaminocyclohexane and (1R,2R)-(?)- 1,2-Diaminocyclohexane.3) Predict the optical rotation value of (1S,2S)-1,2- Diaminocyclohexane.4) Are the melting points of racemic 1,2-diamino cyclohexane and (1R,2R)-(?)- 1,2-Diaminocyclohexane the same ? Explain.5) Define enantiomeric excess. Calculate it for the synthesized diimine (Jacob’sligand).6) Was the resolution of racemic 1,2-Diaminocyclohexane successful? Explain.