The aim is to determine max of KMnO4 solution.Instrument: colorimeter Apparatus: 100ml volumetric flask, test tubes, beakers Chemicals: KMnO4 solution, distilled water Principle: Spectroscopy is the tool for study of atomic and molecular structure. It deals with interaction of electronic radiation with matter involving the measurement and interpretation of the extension of absorption or emission of electromagnetic radiation by molecule. max is defined as wavelength at which maximum absorption of radiation takes place. The extent to which a sample absorbs light depends strongly upon the...

SYNTHESIS AND CHARACTERIZATION OF 3,5- DIMETHYL PYRAZOLEAIM: To synthesize 3,5- dimethyl pyrazole in the laboratory and characterize the crude and re-crystallized product.APPARATUS/INSTRUMENT REQUIRED: Reflux condenser, round bottomed flask, beaker, glass rod, pipette, buchner funnel, filtering flask, water bath, watch glass, capillary tube, thiele's tube, thermometer, electronic balance, vacuum pump and filter paper.CHEMICALS REQUIRED: Acetyl acetone, hydrazine hydrate, ethyl alcohol and n-hexane/petroleum ether.CHEMICAL REACTION: REACTION MECHANISM: PRINCIPLE: Substituted pyrazoles are...