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Which of the following has the least energy:
(1) 2p
(2) 3p
(3) 2s
(4) 4d
Ans: 2s
energy of electron in hydrogen atom
I think you are talking about aniline(Nitrogen containing compounds) . If so then no, they do not undergo friedel craft as nitrogen donates its lone pair to form a complex and do
Why can butyllithium (BuLi) not be used for deprotonation? The direct alkylation of enolates is often not very efficient for a preparative synthesis due to problems with furthe
preparation of alkenes
Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
Define the both - Direct extrusion and Indirect extrusion Direct extrusion: Billet is placed in a container and forced through the die by a piston. Indirect extrusion:
Use the given data to construct a thermodynamical Born-Haber-cycle of the formation of potassium chloride from its elements and calculate the lattice energy of potassium chloride.
how is paracetamol prepared
The rate constant for a reaction of Zero order in A is 0.0030 mol L¯¹ s¯¹. How long will it take for the initial concentration of A to fall from 0.10 M to 0.075 M?
Electron occupies the available orbital singly before pairing in any one orbital occurs, it is : (1) Pauli's exclusion principle (2) Hund's Rule (3) Heisenberg's principle
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