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Q. What Numerical prefixes indicate in ligands?
In any complex species, the ligands are quoted in alphabetical order, without regard to charge, before the name of the central metal atom. Numerical prefixes indicating the number of ligands are not considered in determining that order. For example, a compound like [CoCI (NO2) (en) 2] CI will be called chlorobis (ethylenediamine) nitrocobalt(J11) chloride.
The oxidation state of the metal ion in a complex is indicated by Roman (I), (II),.(III) etc. or an Arabic (0) and placed in parenthesis immediately after the name of the metal If, however, the complex species is an anion, the oxidation state of the metal is mentioned at the end of the name of the complex.
After making an ester by heating a carboxylic acid with alcohol in the presence of concentrated sulfuric acid, water is added to the mixture and the ester seperates out as oily lay
The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17 (2) 37 (3)2 (4)38 Ans: 17
The electronic configuration of four elements are given in brackets: L (1s 2 , 2s 2 , 2p 1 , ) M (1s 1 , 2s 2 , 2p 5 ) Q (1s 2, 2s 2 , 2p 6 3s 1 ,) R ( 1s 1 , 2s 2 , 2p
I want to know about 3 laws of crystallography,there are Law of constancy of inter facial angles,Law of rational indices,Law of symmetry.
The heat of combustion for ethane, C 2 H 6 , is 52.0 kJ/g. How much heat could be released if 1 mol of ethane undergoes full combustion? Answer:
Energy difference is maximum between which of the consecutive energy levels in an atom? solution) According to the line spectrum of hydrogen maximum energy is there between FIRST
What practical applications does amperometry have? may I get elaborated answers supported by relevant examples?
Flash point - Characteristics of Hydrocarbons The minimum temperature at which an oil provides enough vapours to form an explosive mixture with air is considered as flash point
The α -particle scattering experiment of Rutherford concluded that: (1) The nucleus is made up of protons and neutrons (2) The number of electrons is exactly equal to number
Sphere packing Element structures where chemical bonding is nondirectional are best explained by considering the packing of equal spheres. Close-packed structures are on
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