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=>K2MnF6 + SbF5 KSbF6 +MnF3 +F2
which of the following is the stronger lewis acid? a)K2MnF6 b)SbF5 c)KSbF6 d)MnF3
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=>what is the temperature at which alpha & beta sulphur exists simultaneously?
a)289k b)369k c)396k d)419k
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=>what is the number of hydroxyl groups in the phosphorous(phosphonic)acid?
d)none
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STRUCTURE OF THE ACID O P H OH OH
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=>why does sulphur in vapour state exhibit paramagnetic behaviour?
a)since sulphur exists as alpha sulphur b)since sulphur exists as chain polymers called catena-Sn c)since sulphur exists as S2 d)since sulphur exists as S8
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AMINO ACIDS ISOELECTRIC POINT
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There exists some topics which in general read by the student but these are such topics which one should not touch also.Such as: CFT EXTRACTION of some metals and compounds ,be always choosy only preparation is needed no cramming of temp. and pressures. INVENTORS of organomettalic and coordination compounds.
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WERNER'S THOERY 1.metals exhibits two types of linkages:
Primary-satisfying ions and have an oxidation state Secondary-satisfying ions as well as neutral groups and have coordination number 2.secondary linkages exhibit different spatial arrangement which is according to the coordination WERNER'S THOERY
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Ligand theory Weak and strong CO > CN- >H2O>O-2>C204-2>OH->F->Cl->S-2>I-2 INNER ORBITAL(d2sp3) Strong ligands OUTER ORBITAL(sp3d2) Weak ligands
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NAME OF THE COMPOUND (with the formulae) MOLECULAR STRUCTURE COLOUR
PREPARATION PHYSICAL PROPERTIES CHEMICAL PROPERTIES MOLECULAR STRUCTURE
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O P TANDON NCERT And one more book It is it is BOOKS TO BE FOLLOWED
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BROCHURE OF IIT-JEE
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