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Q. Halides of Boron and Aluminium? All the elements of Group 13 form binary halides. All the four trihalides of each element are known, with one exception. The compound Tl13 is
Evidence in favor of Kekule's structure 1. Benzene combines along with 3 molecules of hydrogen or three molecules of chlorine. It also collides along with 3 atoms of ozone to
what are the 4 unique properties of colloiods
Q. What are the Properties of Nitrogen? Ans. Physical Properties of Nitrogen Nitrogen is a colorless, odorless and tasteless gas. It is particularly unreactive at roo
Q. Objective of elements of group 16? You should be able to: • describe the occurrence, extraction and uses of the elements of Group 16, • describe the allotropic forms o
The abstraction of a hydrogen atom The H-CN bond is stronger than the O-H bond, the abstraction of a hydrogen atom from HCN by the tert-butoxy radical is endothermic by 528 - 4
Which have the same number of S electrons as the d - electrons in fe2+
Branched chain polymers - Classification of polymers These are polymers where the monomers are connected to make long chains with side chains or branches of dissimilar sizes.
Saponification value - Analysis of oils and fats It is quantify of fatty acids denote as esters in oils and fats. It is described as the number of milligrams of KOH needed to s
What is the effective nuclear charge of 2s for Fe?
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