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Break point chlorination: It may be defined as the chlorination of water to such an extent that not only living organism but also other organic impurities in water are destroyed. When chlorine is added to water, it is used for different reactions like oxidation of oxidizable substance, chlorination of organic substance, destructive oxidation of organic substances and disinfection of pathogens. Initially all the chlorine added is consumed and there is no free chlorine. This is due to complete oxidation of oxidizable substances. As the applied chlorine increases, there is steady increase in amount of residual chlorine. This stage corresponds to formation of chloro-organic compounds and chloramines when the dose of chlorine increase, destruction of chloro organic and chloramines takes place. Addition of chlorine in such dosages is known as break point or free residual chlorination. The breakpoint chlorination ensures complete destruction of organic compounds, which give colour, unpleasant odour and bad taste. In addition to it a complete destruction of disease producing micro-organisms is also ensured.
Chain Lengthening of Aldoses (Killiani-Fischer synthesis) The conversion of an aldose to the next higher member includes the subsequent steps : (a) Creation of a cyanohydrin
Q. Physical Properties of group16? Similar to the groups discussed earlier. The metallic character in Group 16, increases with increasing atomic number. Oxygen and sulphur are
2. Oxalic acid is a diprotic acid with the following deprotonation equilibria. A. You have 150 ml of a solution of pure oxalic acid with an unknown concentration.
Why is the total energy of a many-electron atom not equivalent to the sum of the orbital energies for every electron?
Give an example of a pseudo first order reaction. Write the IUPAC name of the following: (CH 3 ) 2 C=CHCOCH 3
Synthesis of phenothrine
diagonal relationship between boron and silicon
Determination of oxalate in copper complex
State the Functions of oxide layer (i) To mask against diffusion or ion-implant, (ii) To passivate surface electrically and chemically. (iii) To isolate one device from a
I WHAT TO KNOW THE VARIOUS TYPES OF AMPEROMETRY
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