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Bond order is the number of chemical bonds between a pair of atoms. For example, in diatomic nitrogen N≡N the bond order is 3, while in acetylene H-C≡C-H the bond order between the two carbon atoms is also 3, and the C-H bond order is 1. Bond order gives an indication to the stability of a bond.In molecules that have resonance or nonclassical bonding, bond order does not need to be an integer. In benzene, where the delocalized molecular orbitals contain 6 pi electrons over six carbons essentially yielding half a pi bond together with the sigma bond for each pair of carbon atoms, giving a calculated bond order of 1.5. Furthermore, bond orders of 1.1, for example, can arise under complex scenarios and essentially refer to bond strength relative to bonds with order 1.In molecular orbital theory, bond order is also defined as the difference, divided by two, between the number of bonding electrons and the number of antibonding electrons as per the equation below. This often but not always yields the same result. Bond order is also an index of bond strength and is also used extensively in valence bond theory.
The number of unpaired electrons in 1s 2 2s 2 2p 4 is: (1) 4 (2) 2 (3) 0 (4) 1 Ans: 2
Write the similarities of lithium with other alkali metals
Beckmann rearrangement Ketoxime while treated with acid at 0° C it goes through rearrangement termed as Beckmann rearrangement. So, acid catalysed conversion of ketoximes t
compare your partition coefficient of acetic acid with the literature and calculate percentage error
Impurities of solids Impurities are frequently added to materials to improve the properties. For example, carbon added in small amounts to iron makes steel, which is stronger t
preparation,properties,merits,demerits
Purification of organic compounds Several methods are available for the purification of substances. Though, the selection of method, depends upon the nature of substance (if s
A first order reaction takes 69.3 minutes for 50% completion. Set up an equation for determining the time needed for 80% completion of this reaction.
Magnesium is the lightest of the structural metals. While this low density is an attractive property, magnesium also has a high corrosion rate that has often been seen as a disadva
Q. Explain about Peroxoacids of Sulphur? There are two peroxoacids of sulphur, viz., peroxomonosulphuric acid, H 2 SO 5 , and peroxodisulphuric acid, H 2 S 2 O,. These acids ar
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