Question: 5. (a) Define the term 'specific rotation' of an optically active compound? The concentration of cholesterol dissolved in chloroform is 6.15g/100mL of solution. (b) A

5. (a) Define the term 'specific rotation' of an optically active compound? The concentration of cholesterol dissolved in chloroform is 6.15g/100mL of solution. (b) A portion of this solution in a 5cm polarimeter tube causes an observed rotation of 1.2. Calculate the specific rotation of cholesterol (c) Predict the observed rotation if the same solution were placed in a 10-cm tube. Hints []=lxda Specific rotation =lengthoftube(dm)xconcentrationofsolution(g/mL)observedrotation(indegrees) where [] is specific rotation, l is the length of the polarimeter tube and d is the concentration of solution

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