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1s 2 , 2s 2 , 2p 6 3s 1 shows configuration of: (1) Al 3+ in ground state (2) Ne in excited state (3) Mg + in excited state (4) None of these Ans: Mg + in
Why there are tie lines for 3 phase equilibrium however not for 2-phase equilibrium in a two-component system? Lever rule derived from mass balance gives the relative amounts o
If wavelength of photon is 2.2x10 -11 m, h= 6.6x 10 -34 J-sec, then momentum of photon is: (1) 3x 10 -23 kgms -1 (2) 3.33x 10 22 kgms -1 (3) 1.452x 10-
Question 1 Write a short note on the following Photoelectric effect Transition Elements Hydrogen bonding Standard entropy Question 2 What are aromatic acids
What is the chemistry of nitration of naphthalene?
A single covalent bond is build when two atoms share a pair of electrons. Triple and double bonds can be formed when two or three such pairs are shared. A Lewis structure is a repr
Rutherford's alpha particle scattering experiment eventually led to the conclusion that: (1)The point of impact with matter can be precisely determined (2)Electrons occupy s
The formation of energy bonds in solids are in accordance with: (1) Heisenberg's uncertainty principle (2)Bohr's theory (3 )Ohm's law (4) Rutherford's atomic model
Q. Show the Process of ion exchange chromatography? The process of ion exchange chromatography is the most important, effective and rapid method for the separation and purifica
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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