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Q. Explain about Structural Isomerism?
When two molecules have the same atoms but different bonds, they are called structural isomers. Thus, the variation of bond type or multiplicity of molecular arrangement gives rise, to structural isomerism the following different categories of isomerism can be all grouped together under the heading structural isomerism.
The frequency of radiation emitted when the electron falls from n= 4 to n=1 in a hydrogen atom will be (Given ionization energy of H = 2.18x 10 -18 J atom-1 and h= 6.625x 10-
Amines - Nitrogen Containing Compounds 1. Amines are observed like derivatives of ammonia where one, two or all three hydrogen atoms are changed by alkyl or aryl group. 2. A
Which of the following is an incorrect representation for a neutral atom: 108/47Ag 63/30Cu 30/15P 13/6C 6/3Li
Why a covalent bond is directional? Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of
Q. Show the techniques of preservation? The various methods can be used for preservation of foods. Some of the common methods employed to preserve foods are summarized herew
What is Frenkel defect A pair of one cation and one anion can be missing from an ionic crystal as shown in the following figure. Such a pair of vacant sites is called Schottky
what are macroscopic properties ?
how to solve them?
Acidic Nature of Phenol - Hydrocarbon The acidic nature of phenol is observed in the following: (1) Phenol changes blue litmus to red. (2) Highly electropositive metals r
Which one of the following groupings represents a collection of isoelectronic species: (1) NA +, Ca 2+ , Mg 2+ (2) N3, F - , Na + (3) be, Al 3+ , Cl -
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