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If an electron has spin quantum number of +1/2 and a magnetic quantum number of -1 , it cannot be presented in an: (1) d -orbital (2) f -orbital (3) p -orbital (4)s-
How many unpaired electrons are present in Ni 2+ cation (atomic number = 28): (1) 0 (2) 2 (3) 4 (4) 6 Ans: 2
in castner kelnar process sodium metal extract at cathode and calcium also why they do not mix if they extract at same chamber?
Dyes Dye is a synthetic and natural colouring matter that is employed in solution to stain materials particularly fabrics. All the coloured substances are not dyes. A coloured
The ratio of the concentration of the products raised to its stoichiometric coefficient to the concentration of the reactants raised to its stoichiometric coeff. Mostly, higher th
Explain rules of pericyclic The pericyclic selection rules say absolutely nothing about the position of equilibrium in every case. These rules refer to rates of reactions, not
Sublimation - Purification of organic compounds Specific organic solids on heating directly change from solid to vapour state without passing via a liquid state, such types of
The device through which chemical energy is converted into electrical energy is known as galvanic cell or electrochemical cell or voltaic cell. In a galvanic cell, a redox reaction
basic principle of electrogravimetry
what evidence is there that all cells have a common ancestor?
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