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Complexometric Titrations - Types of titrations
A titration, where an dissolved complex is formed at the equivalence point, is termed as complexometric titration. These types of titrations are superior to precipitation titrations since there is no error because of co-precipitation.
Hg2+ + 2SCN- → Hg (SCN)2
Ag+ + 2CN- → [Ag (CN)2]-
EDTA that is ethylenediamine tetra-acetic acid is a helpful reagent that forms complexes with solids. In the form of disodium salt, it is required to estimate Ca2+ and Mg2+ ions in existence of eriochrome black-T as an indicator.
Reaction Intermediates Short lived fragments that are known as reaction intermediates result from homolytic and heterolytic bond fission. The significant reaction substances ar
Real life example on ph determination and Ksp
Generally ionic bonds are stronger than covalent bonds. This is because in ionic bonds, electrostatic forces of attractin are involved. The positive ion (cation) and the negative
The Bohr orbit radius for the hydrogen atom (n=1) is approximately 0.530 Å . The radius for the first excited state (n=2) orbit is: (1) 0.13Å
Q. Describe Lime-soda method for softening of hard water. Discuss the advantages of the process and the chemistry involved in it.
describe the steps necessary in preparing a standard solution of 1.0 molar NaOH
stuck on a chemistry assignment i need a way to include the elctron configuration and chemical properties of copper into a oral that is also a sales pitch.
Chromium has the electronic configuration 4s 1 3d 5 rather than4s 2 , 3d 4 because: (1) 4s and 3d have the same energy (2) 4s has a higher energy than 3d (3)4s 1 is
Number of orbitats in h sub-shell is: (1) 11 (2) 15 (3) 17 (4) 19 Ans: 11
CALCULATE THE MOMENTUM OF APARTICLEWHICH HAS WAVELENGTH OF 2A
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