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Criteria for determining the purity of organic compounds
17.4g CaCO3= mol O
Antiknock Compounds - Characteristics of Hydrocarbons To decrease the knocking property or to enhance the octane number of a fuel certain chemicals are included in it. These ar
ionic bonds are usually formed by combination of elements with which type of ionisation potential or electron affinity
What is the Coordination number of FCC (CN): If we take the corner atom, the face centered atoms are the nearest neighbors. A corner atom has four face centered in its own pl
The value of Planck's constant is 6.63x 10 -34 Js. The velocity of light is 3.0x 10 8 ms -1 . Which value is closest to the wavelength in nanometres of a quantum of light with
Q. What is law of definite proportions? A given compound is forever composed of the same elements in the same proportion by mass. This fact is recognized as the law of definit
Total number of unpaired electrons in an atom of atomic number 29 is: (1) 1 (2) 3 (3) 4 (4) 2 Ans: 1
Hydrocarbon - Aliphatic Hydrocarbon Organic compounds that made up of only carbon and hydrogen are known as hydrocarbons. Hydrocarbons mainly are two kinds (1) Aliphatic Hyd
Ethylbenzene Ethylbenzene has a three-proton triplet and, at somewhat greater chemical shift, in the benzylic proton region, a two-proton quartet. p-Xylene has a six-proton si
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