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Formation of esters (Esterification)
(1) The reaction is shifted to the right via using excess of alcohol or removal of water by distillation.
(2) The reactivity of alcohol towards esterification.
tert-alcohol < sec-alcohol < pri-alcohol < methyl alcohol
(3) The acidic strength of carboxylic acid plays just a minor role.R3CCOOH2CHCOOH2COOH3COOH
diagonal relationship between boron and silicon
energy of electron in hydrogen atom
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Which of the following electronic configurations is not possible: (1) 1s 2 , 2s 2 (2) 1s 2 , 2s 2 , 2p 6 (3) 3d 10 4s 2 4p 2
Which one of the following explains light both as a stream of particles and as wave motion: (1) Diffraction (2) γ= h/p (3) Interference (4) Photoelectric effect
Rutherford's scattering experiment is related to the size of the: (1) Nucleus (2) Atom (3) Electron (4) Neutron Ans: Nucleus
given that ksp of MG(OH)2 is 0.000000000089,calculate the solubility of Mg(OH)2 in a solution buffered at pH=9
what types of electrodes use in physical chemistry
state the adverse effect of common air pollution on buildings and health
various types of medicines use in daily life? and classify them into analgesics, antipyretics, antibiotics, sedatives, antiseptics.
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