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Reaction Intermediates Short lived fragments that are known as reaction intermediates result from homolytic and heterolytic bond fission. The significant reaction substances ar
Ionic and covalent bonds are present in: (1) CCl 4 (2) CaCl 2 (3) NH 4 Cl
The radius of electron in the first excited state of hydrogen atom is: (1) a 0 (2) 4a 0 (3) 2a 0 (4) 8a o
Q. What is softening of water? Describe deionization method of water softening with diagram. Ans. Softening of water: The process of removing the hardness causing salts from
The total number of valence electrons in 4.2 gm N - 3 of ion is ( N A is the Avogadro's number): (1) 1.6N A (2) 3.2N A
why is electron gain enthalpy of oxygen greater than sulphur?
how were anode rays discovered
n-propyl acetate evaporates rapidly when exposed to air,but water does not.Explain
When an electron revolves in a stationary orbit then: (1) It absorbs energy (2) It emits radiation (3) Its energy remains constant (4 )It gains kinetic energy Ans:
What is the maximum number of electrons which can be accommodated in an atom in which the highest principal quantum number value is 4: (1) 10 (2) 18 (3) 32
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