What is the shape and hybridization of NH4 + ion ?
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FeSO4 solution mixed with (NH4)2SO4 solution in 1 : 1 molar ratio gives the test of Fe^2+ ion but CuSO4 solution mixed
i. 1 : 1 molar mixture of FeSO4 and (NH4)2SO4 forms a double salt, FeSO4.(NH4)2SO4.6H2O (Mohr’s salt) which exists only in solid state. In aqueous solution, it dissociates into ions...
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Write the name, the state of hybridization, the shape and the magnetic behaviour of the following complexes:
(i) Tetrachloridocobaltate (II) ion sp3 hybridisation Tetrahedral Paramagnetic (ii) Tetracyanonickelate (II) ion dsp2 hybridisation Square plannar Diamagnetic. (iii) Diaquadioxalatochromate (III) ion d2sp3 hybridisation Octahedral Paramagnetic.
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Describe the state of hybridization, the shape and the magnetic behaviour of the following complexes:
(i) [Cr(H2O)2(C2O4)2]– (a) Hybridization — d2 sp3 (b) Shape — octahedral (c) Magnetic behaviour — Paramagnetic (ii) [Co(NH3)2 (en)2]3+ (a) Hybridisation — d2 sp3 (b) Shape — Octahedral (c) Magnetic behaviour — diamagnetic
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Write the state of hybridization, the shape and the magnetic behaviour of the following complex entities: (i) [Cr(NH3)4 Cl2]Cl
Complex ion Central metal ion/atom Hybridisation of metal ion involved Geometry of the complex Magnetic ...
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On the basis of VSEPR theory predict the shape of Hydronium (H3O+ ) ion.
pyramidal....
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Arrange the following in order of decreasing bond angles (i) CH4, NH3, H2O, BF3, C2H2 (ii) NH3, NH2 - ,NH4 +
(i) C2H2(180) > BF3(120)>CH4 (109.28)>NH3(107) > H2O(104.5) (ii) NH4 + > NH3 >NH2 - ,
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What will the conjugate bases for the following Bronsted acids: HF , H2SO4 HCO3 - and NH4 +
F- ,HSO4 - ,CO3 2- and NH3
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What is the function of adding NH4 OH in group file?
It convert ammonium bicarbonate into ammonium carbonate.
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Why is Group V of qualitative analysis, sufficient NH4 OH solution be added before adding (NH4)2 CO3 solution?
This is done to convert NH4 HCO3 usually present in large amounts along with (NH4)2 CO3 to (NH4) 2 Co3 NH4 HCO3 +NH4OH_------> (NH4 )CO3 H2O
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Give reason for the following: Zinc is not precipitated as Zn (OH)2 on adding NH4 OH to a zinc salt solution containing NH4Cl.
NH4CL suppresses the ionization of NH4OH due to common ion effect. Hence, the concentration of OH- decreases such that the ionic product [Zn2+] [OH-]2 does not exceed solubility product. Hence,...
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