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Isoelectronic species are:
(1) K+ Cl-
(2) Na+Cl-
(3) Na Ar
(4) Na+ Ar
Ans: K+ Cl-
what is resonance effect? describe its application and its types?
In ion estimation why we have to change the oxidation state of the Fe+3 ion. Ans) Because if iron is in +3 oxidation state it will be morestable then we get preferable product. s
(a) What is hardness of water? What do you understand by temporary and permanent hardness? OR Explain tempora
how to caculate n- factor in equivalent weight
giving correct formulas give the reactantsand products in the formation of poly2 butane
Preparation of 2,2,6-trimethyl-5-phenylheptan-3-one: Safety 2-Bromopropane : Irritating to eyes, respiratory system and skin. If eye contact, wash with large volumes of
The maximum number of electrons in p -orbital with n= s, m=1 is: (1) 6 (2) 2 (3) 14 (4) 10 Ans: 2
what are chemical properties of haloarenes?
Electrovalent bond formation depends on: (1) Ionization energy (2) Electron affinity (3) Lattice energy (4) All the three above Ans: All the three above
Define the both - Direct extrusion and Indirect extrusion Direct extrusion: Billet is placed in a container and forced through the die by a piston. Indirect extrusion:
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