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Why a covalent bond is directional?
Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of atomic orbital i.e. bond only takes place in the direction of shared pairs of electrons. Hence covalent bonds would have strong directional preferences unlike metallic and ionic bonds.
Physical properties of Alkyl isocyanides (1) Alkyl isocyanides are colourless, unpleasant smelling liquids. (2) Alkyl isocyanides are insoluble in water but freely soluble i
Q. What is SI unit of energy? Ans. The SI unit of energy is called the joule. A joule is a pretty small mount of energy so often chemists will use the unit kJ =1 kilojoule
Explain the Electrode reactions and the cell reaction? A cell diagram, with its designation of the left and right electrodes, allows us to write reaction equations for the cell
What is the purpose of zone refining One refining process is based on the fact that the first solid to crystallize in a two component system is usually purer than the liquid as
what clinical enzymes of medicine?
Filter A plant pot with a plug of cotton wool in the bottom and a layer of sand little inches deep makes a satisfactory filter for more purposes
zinc+copper(ll) chloride
simple method of synthesis of the above chemical with highest yield.
characteristics of irreversible reaction
Millon test - Test of proteins Millon's test : while millon's reagent (mercurous & mercuric nitrate in nitric acid) is added to a protein solution, a white precipitate that tur
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