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What is the nature of chemical bonding between Cs and F:
(1) Covalent
(2) Ionic
(3) Coordinate
(4) Metallic
Ans: Ionic
Why secondary and tertiary amine doesn''t give carbylamine reaction
The configuration 1s 2 2s 2 2p 5 3s 1 shows: (1) Excited state of O 2 - (2) Excited state of neon (3) Excited state of fluorine (4) Ground state of fluorine ato
Functional isomerism: This kind of isomerism is because of difference in the nature of functional group present in the isomers. The given pairs of elements all time form funct
Q. What is Stoichiometry? Ans. As you know a chemical equation is like a recipe. Each of the different ingredients combine in certain ratios to form the end product. The
Group 1- Alkali Metals The elements of group 1 are commonly known as alkali metals after the alkaline properties of their hydroxides such as NaOH. The atoms have the (ns) 1 e
principle of EDTA method
Q. Calculate standard state enthalpy of the substance? Ans. To determine ΔH o f for calcium carbonate, calcium and carbon are burned in a calorimeter. Noti
how to study nomenclature
Q. Illustrate about Werners Theory? Based on the study of a large number of compounds. Wermer gave the following postulates: • Metal atoms in complexes possess two types o
The hydride ions H- are isoelectronic with: (1) Li (2) He + (3) He (4) Be Ans: He
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