Phosphorus pentachloride: In the PCl5molecule,the central phosphorus atom is bonded to five Cl atoms, thus having 10 bonding electrons and violating the octetrule. How do you know if an octet is satisfied? The Octet Rule says that an atom is in its most stable state when it has a full v...
Ab initio calculation of the PCl5 molecule by the Hartree-Fock method with the 6-31G* splitted valence basis set and full geometry optimization shows that the unshared electron pairs of equatorial Cl atoms with the symmetry axes perpendicular to the equatorial plane of the molecule contribute to...
4.用PCl5为脱水剂的反应实例 4-Oxo-4H-9-oxa-1,4a-diaza-fluorene-3-carboxylic acid amide (4.58 g, 20 mmol) was suspended in 150 ml of anhydrous DMF, PC15 (5.0 g, 24 mmol) was added, and the mixture was stirred for 2 h at 40-50 oC. The reaction mixture was poured into 600 ml...
I am asking this, with a basic grasp of these concepts. Acetyl halides, and alkanoic anhydrides are useful to acetylate molecules, as, for an e.g. acetyl chloride, has its carbonyl attacked by nucleophilic addition reactions, where chlorine acts as a good leaving molecule, which is the same...
N_2 s_22p_3A molecule with the formula AB_3 has a trigonal planar geometry. How many electron groups are on the central atom?What is the hybridization of the central atom of the ClO2 molecule?What is the hybridization of the central atom in XeF_4?
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The chlorine molecule is diatomic (Cl2). The degree of thermal dissociation of Cl2 + 243 kJ ⇄ 2Cl is 2.07 × 10–4 percent at 1000°K and 0.909 percent at 2500°K. The outer electron configuration of the chlorine atom is 3s23p5. Consequently, in its compounds, chlorine may have ...
Answer and Explanation: The molecular geometry of PH3is trigonal pyramidal. We start with the Lewis structure of PH3. The molecule has eight valence electrons. Phosphorus... Learn more about this topic: VSEPR Theory | Chart & Model from ...
4) Which covalent molecule has the highest vaporization point? 5) What is the most polar molecule? (It is not HF, Hydrofluoric acid.) Rank the following ionic compounds in order of increasing melting points: CaO, KF, RbBr, CaF...
This ester linker mimics the alkyl character of the methyl ester of cocaine which is important for recognition of this part of the molecule. Coupling of 4 to keyhole limpet hemocyanin (KLH) afforded the conjugate, 4-KLH, for immunization. One aspect of the invention is directed to cocaine ...