sigma bond वाक्य
उदाहरण वाक्य
मोबाइल
- The remaining sp orbital on each atom can form a sigma bond to another atom, for example to hydrogen atoms in the parent acetylene.
- A typical double bond consists of one sigma bond and one pi bond; for example, the C = C double bond in ethylene.
- A pi bond is weaker than a sigma bond, but the combination of pi and sigma bond is stronger than either bond by itself.
- A pi bond is weaker than a sigma bond, but the combination of pi and sigma bond is stronger than either bond by itself.
- The existence of specific conformations is due to hindered rotation around sigma bonds, although a role for hyperconjugation is proposed by a competing theory.
- The sigma bond between the ring and carboxyl group is then severed, the electron pair moving to the ring and delocalized through resonance structures.
- Another is a sigma bond metathesis involving the formation of the M-C bond and a H-Cl or H-O bond.
- A sigmatropic rearrangement is a reaction in which a sigma bond moves across a conjugated pi system with a concomitant shift in the pi bonds.
- Among the five bonds present between the metal centers, one is a sigma bond, two are pi bonds, and two are delta bonds.
- Electron removal generally happens in the following order : 1 ) lone pair electrons, 2 ) pi bond electrons, 3 ) sigma bond electrons.
- An electrocyclic reaction is a pericyclic reaction involving the net loss of a pi bond and creation of a sigma bond with formation of a ring.
- The cyclic oligomers form when the nitrogen of the amide forms a sigma bond to a lithium while the nitrogen lone pair binds to another metal centre.
- The thiyl radical propagates with the alkene to form a carbon centered radical, the previous double bond now allows free-rotation around the sigma bond.
- It was first reported in 1848 from the reaction of zinc and ethyl iodide, and was the first compound known to contain a metal carbon sigma bond.
- This is contrasted by sigma bonds which form bonding orbitals directly between the nuclei of the bonding atoms, resulting in greater overlap and a strong sigma bond.
- This is contrasted by sigma bonds which form bonding orbitals directly between the nuclei of the bonding atoms, resulting in greater overlap and a strong sigma bond.
- A typical triple bond, for example in acetylene, consists of one sigma bond and two pi bonds in two mutually perpendicular planes containing the bond axis.
- Molecules with rings have additional sigma bonds, such as benzene rings, which have 6 C " C sigma bonds within the ring for 6 carbon atoms.
- Molecules with rings have additional sigma bonds, such as benzene rings, which have 6 C " C sigma bonds within the ring for 6 carbon atoms.
- In coordination complexes, only the first or sigma bond between each ligand and the central atom counts, but not any pi bonds to the same ligands.
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