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Q. Show Bond Lengths and pΠ - dΠ bonding?
The bonds between S and 0 are much shorter than expected for a single bond in its oxides and therefore, may be considered as double bonds. Along with a sigma bond between S and 0, a ?-bond is also formed by overlap of oxygen p-orbital and sulphur d -orbital forming a pΠ - dΠ bond. Oxygen and sulphur have comparable energy and the size of p and d orbitals and, therefore, have effective pΠ - dΠ overlap. But going from Se to Te, weaker bonds are formed because of difference in the size and energy of the p and d orbitals.
The nucleus of the element 21E^45 contains
Acidic character order of phenon , ortho nitro phinol, para nitro phenol#
It is a phenomenon in which compounds have same moleculer formula but different structural formula due to which they posses different physical and chemical properties.
Some enzymes require other associated molecules to work. These molecules are known as enzyme cofactors and they can be, for example, organic ions, like mineral salts, or organic mo
Q. What is paired comparison test? In paired comparison test, the assessor is presented with two products and asked to indicate whether there is a preference between them.
Rutherford's experiment on scattering of particles showed for the first time that the atom has: (1) Electrons (2) Protons (3) Nucleus (4) Neutr
The freezing point of ethylene glycol is -3.2 degree-Celcius. How many grams of ethylene glycol is required in 150 L of water to achieve such temperature?
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The reaction A ? B + C is known to be zero order in A and to have a rate constant of 5.0 x 10-2 mol/L·s at 25 oC. An experiment was run at 25 oC where [A]0 = 1.0 x 10-3 M. a)
material required
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