Bio Lab Report

Name: MUHAMAD HANIF BIN KAMAIL Class: M09T Title: ESTIMATING GLUCOSE CONCENTRATION IN SOLUTION Date: 15/10/2009 INTRODUCTION: Glucose (C6H12O6) is a monosaccharose reducing sugar. In this reaction, the glucose readily donates the electrons which ar accepted by the permanganate causing it to change chroma. The purple pink dissolving agent of kB permanganate (MnO4-) is reduced to a colourizeless root of manganese ions (Mn2+). pallid in solution Purple pink in solution MnO4- + 8H+ + 5e- Mn2+ + 4H2O As a result of this reaction the glucose is oxidised. The duration interpreted for the loss of colour from a standardised solution of permanganate is right away related to the immersion of glucose present in the solution. RESEARCH capitulum: What is the relationship surrounded by glucose niggardness and the rate of reaction of the diminution of kilobyte permanganate? system: The higher the concentration of glucose, the shorter beat taken for the reduction of cat valium permanganate, hence resulting in shorter condemnation taken for the pink colour of potassium permanganate to decolourise. This is because the concentration of glucose molecules in glucose solution is high consequently more electron are donated to the permanganate within a constant period.

VARIABLES: Units| Range| Independent Variables| The concentration of glucose solution.| %| 0% - 30%| helpless Variables| Rate of reaction of the reduction of potassium permanganate.| s-1| 0.0057s-1 - 0.0442-1| Table of variables mode FOR CONTROLLING VARIABLES: Controlled Variables| How to handle| Units| manage able effect(s) on result| hatful of the i! ndicator (potassium permanganate).| The leger of potassium permanganate is measured 2cm3 using syringe constantly.| cm3| If the amount of potassium permanganate is excessive, the time taken for the reduction to have intercourse may be altered and inaccurate.| Volume of glucose solution| The volume of glucose solution is unplowed constant...If you want to get a integral essay, order it on our website: BestEssayCheap.com

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