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Alum is a chemical (aluminum potassium sulphate) it tends to be whitish powder with various uses.
libermann nitroso reaction
i) Electrophillic substitution in case of aromatic amines takes place more readily than benzene. ii) Nitro compounds have higher boiling points than hydrocarbons having almost s
why boron have maximum covalency 4 and others have maximum covalency 6
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.
If the velocity of hydrogen molecule is 5x 10 4 cm sec -1 then its de-Broglie wavelength is: (1) 2 Å (2) 4 Å (3) 8 Å (4)100 Å Ans: 4 Å
Explain terminal carbons and central carbons The terminal carbons are bound to three groups, and are thus trigonal planar. The central carbon is bound to two groups, and is
Free radical aromatic substitution - Hydrocarbon The aromatic substitution reactions that follow free radical mechanisms are extremely few and have limited synthetic value. Alt
crystal field splitting in octahedral complexes.
Separation methods: The present unit gives an introduction to the course on separation methods. It highlights the utility of separations within the analysis and recovery of pu
The charge of an electron is -1.6 x10 -19 C. The value of free charge on Li + ion will be: (1) 3.6x 10 -19 c (2) 1x 10 -19 c (3) 1.6 x 10 -19
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