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Which among the following species have the same number of electrons in its outermost as well as penultimate shell:
(1) Mg2+
(2) O2-
(3) F-
(4) Ca2+
Ans: Ca2+
Phenols : Physical properties: 1.Low molecular weight phenols are normally liquids or low melting solids 2.Due to H- bonding ,most low molecular weight phenols are water soluble 3.
How S.E.P. explains stability of particular oxidation state of transition metals?
Elements of Group 13 are namely, boron, aluminium, gallium, indium and, thallium. While studying the alkali and alkaline earth metals, you have seen that all the elements of these
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what is electrcn
Aluminium metal is frequently used as a reducing agent for the extraction of metals such as Chromium, Manganese etc. Explain why? Ans) The free energy change for the formation o
does hydrogyn react with magnesium
Why the density of carbonylcompounds is as same as water?
Uses of Alkenes (i) Alkenes are used for the manufacture of polythene - a plastic material; (ii) Alkenes are used for artificial ripening of fruits; (iii) Alkenes are us
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