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Among the following for which one mathematical expression γ= h/p stands:
(1) De Broglie equation
(2) Einstein equation
(3) Uncertainty equation
(4) Bohr equation
Ans: De Broglie equation
The ground state term symbol for an electronic state is governed by : (1) Heisenberg's principle (2) Hund's rule (3) Aufbau principle (4) Pauli exclusion principle
Atoms consists of protons, neutrons and electrons. If the mass of neutrons and electrons were made half and two times respectively to their actual masses, then the atomic mass of
Which of the following is not isoelectronic : (1) Na + (2) Mg 2+ (3) O 2- (4) Cl - Ans:(d)Cl -
WRITE HALF-REACTION FOR THE REDOX Fe2+ + MnO4- =Fe3+ + Mn2+
What is Allotropy If the change in structure is reversible then the polymorphism is called as 'allotropy'.Allotropy (Gr. allos, other, and tropos, manner) is a behavior exhibi
Aromatic Carbonyl Compounds - Aldehydes and Ketones Aromatic aldehydes are of two types: The compounds where - CHO group is attached directly to an aromatic ring, like benza
what is the principal of radiometric titration
sn1 and sn2 reactions
what are the principle underlying the extraction of metals
drive phase rule
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