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Q. Explain about Stereoisomerism?
Stereoisomers have the same bonds but the arrangement of atoms in space is different. Stereoisomerism can be divided into two kinds: geometrical and optical.
Geometrical isomerism occurs when ligands can assume different positions around rigid bond\ with the metal ion. For example the compound Pt(NH3)2Cl2 has a square plana structure the two possible arrangements are shown in Fig.
In the cis-isomer the two ammonia molecules are next (cis) or adjacent to each other whereas in the trans-isomer the two ammonia molecules are across (Trans) to each other.
This type of isomerism is not possible for complexes with coordination number 2 (linear molecule). 3 (trigonal planar) and 4 (tetrahedral geometry).
Which of the following atoms and ions are isoelectronic i.e. have the same number of electrons with the neon atom: (1) F - (2) Oxygen atom (
ClCH 2 CH 2 CH 2 COPh + Methanoic acid ----------------> CH2-(CH2)-CH2-CO-C 6 H 6
Iodoform or tri-iodomethane, CHI 3 Industrial preparation Iodoform is ready on large scale by electrolysis of a solution consisting of ethanol, potassium iodide and sodium
Describe the process involved inthe Dewar method of separation of inert gases?
Q. Extensive chemistry of the boron hydrides? The extensive chemistry of the boron hydrides finds no parallel with the hydrides of heavier elements of Group 13. Out of the four
PREPARATIONS OF DIENES
Define Degrees of freedom - phase rule and phase diagrams? Consider a system in an equilibrium state. In this state, the system has one or more phases; each phase contains one
Why NH4Cl and NH4OH are added to the test solution?
Determine minimum solvent flow rate: It is necessary to process 100 kg/min of a water stream containing 15 percent acetic acid by weight. Refer to the data in the table below
Chemical Properties of Aromatic Nitro Compounds - Electrophilic substitution Because - NO 2 group is deactivating and m-directing, electrophilic substitution (halogenation, ni
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