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Which of the following electron transition in a hydrogen atom will require the largest amount of: (1) From n-1 to n=2 (2) From n= 2 to n=3 (3) From n= ∞ to n=
why is it useful to use moles to measure chemical quantities
Free radical and Aromatic rearrangement Migration or Rearrangement to free radical species or Free radical rearrangement: Those rearrangement reactions where the migr
Through, Arrhenius equation is applicable under a wide range of circumstances but collision theory, which was developed by Max Trautz and William Lewis in 1916-18, provides a great
What is basically Gibb''s free energy change? Ans) The energy associated with a chemical reaction that can be used to do work. The free energy of a system is the sum of its entha
How many unpaired electrons are present in Ni 2+ cation (atomic number = 28): (1) 0 (2) 2 (3) 4 (4) 6 Ans: 2
Which of the following sets of orbitals may degenerate : (1) 2s, 2p x , 2p y (2) 3s, 3p x , 3d xy (3) 1s, 2s, 3s
Chemical Properties of Ethers Ethers are fairly stable compounds. These are not simply reacted along with alkalies, dilute mineral acids, active metals, oxidising agents within
Osmotic pressure: Osmosis process is the movement of a solvent from a solution of lower solute concentration (higher solvent concentration) to one of the higher solute concentr
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