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Van der Waals repulsions
Because severe van der Waals repulsions occur among the tert-butyl groups in compound A at normal bond lengths and angles, the only way for the molecule to relieve these repulsions is to stretch the appropriate bonds and flatten itself by widening the C-C-C angles. The observed structure is a compromise among the Scylla of van der Waals repulsions and the Charybdis of nonoptimal bond lengths and angles.
zinc+copper(ll) chloride
the order of stability of carbocations and carbanions For carbocation 3 degree > 2 degree > 1 degree for carbanion 1 degree > 2 degree > 3 degree
What is the effect of the various concentrations of aniline hydrochloride on the ph and the X value, and what''s the logic behind all this
Why boron is electron-deficient (a) Every atom has an octet; thus, this is not an electron-deficient compound. (b) The boron is electron-deficient because it has a sextet o
i am synthesing the azipines and i wana to fet the azipine with different subsituites. how can i get with triflouro subsituited azipines?
thermoplastics
what are the chemical propertiies of acid halide?
For an electron if the uncertainty in velocity is Δ v , the uncertainty in its position( Δ x ) is given by: (1) hm/ 4 Π Δ b (2) 4 Π / hm Π v
The configuration 1s 2 2s 2 2p 5 3s 1 shows: (1) Ground state of fluorine atom (2) Excited state of fluorine atom (3) Excited state of neon atom (4) Excited state
Ratio of radii of second and first Bohr orbits of H atom: (1) 2 (2) 4 (3) 3 (4) 5 Ans: 4
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