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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.
Explain the steps involved in the preparation of either potassium dichromate from sodium chromate or potassium permanganate from manganese dioxide.
Q. General Characteristics of the f-block? You know that the 14 elements from cerium (Z = 58) to lutetium (Z = 71), which follow lanthanum (Z = 57) in the periodic table, are k
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With which of the given pairs CO 2 resembles: (1) HgCl 2 , C2H 2 (2) HgCl 2 , SnCl 4 (3) C 2 H 2 , NO 2 (4) N 2 O and NO 2
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Explaination of general characteristic properties
A water solution contains 64% Na 2 S 2 O 2 together with 1.0% soluble impurity. Upon cooling to 5°C, Na 2 S 2 O 2 ·5H 2 O. crystallizes out. The solubility of this hydrate is 1.35
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