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Isoelectronic species are:
(1) K+ Cl-
(2) Na+Cl-
(3) Na Ar
(4) Na+ Ar
Ans: K+ Cl-
Q. Explain about Neutral and Amphoteric oxides? Neutral oxides have neither acidic nor basic properties and when dissolved in water, they give neutral solutions, e.g., CO, N
A bond with maximum covalent character between non-metallic elements is formed: (1) Between identical atoms (2) Between chemically similar atoms (3) Between atoms of wide
Q. Show the Halides of Aluminium? All the four trihalides of aluminium, i.e. AIF 3 , AICI 3 ,, AlBr 3 , and AlI 3 , are known. AIF 3 , is made by treating Al 2 0 3 with HF ga
why nnitroalkanes are highly polor compounds*
Point imperfection: They are imperfect point-like regions in the crystal. One or two atomic diameters are the typical size of a point imperfection. A substitution impurity and an
Define The Phase Rule and Phase Diagrams? We encountered the Gibbs phase rule and phase diagrams in connection with single-substance systems. The present chapter derives the fu
Ethelene+diaminotetraacetate---->1,4- diaminobutane from ethylene CH 2 =CH 2 +EDTA---->NH 2 -CH 2 -CH 2 -CH 2 -CH 2 -NH 2
Electro refining of Copper • Electrolyte - Aqueous copper sulphate solution (acidified) • Cathode - Pure copper metal (thin rod) • Anode - Impure copper metal (thick block) • Disso
Extension
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