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Q. Describe about groups or families in periodic table? Every element may be represented by a one or two letter symbol. In the middle of nineteenth century a Russian chemist Dm
Define the Cell potential of a galvanic cell? The cell potential of a galvanic cell is the electric potential difference between terminals of the same metal, and is defined by
Solvay process
For liquids - Drying of Organic Substances Organic liquids are usually dried by keeping them over night in contact along with a dehydrating (desiccating) agent that does not re
Q. What are Hexahalides? Hexahalides: S, Se-and Te react with excess of fluorine to give the corresponding hexafluorides. Fluorine being the most electronegative oxidises the
e
Which statement is not correct for n=5, m=3: (1) l=4 (2) l=0, 1.3, s =+1/2 (3) l= 3 (4) All are correct Ans:l=4
Calculate ionisation potential of the electron in the first exited state of singly ionised Helium atom is given by ionisation of Hydrogen atom to be 13.6 eV. Ans: According to
Why cyclo propane is more stable than cyclohexane
Most ligands have a nonbonding electron pair that may react as a donor to empty orbitals on the metal atom. In ligands known as π acids or π acceptors a donor-acceptor communic
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