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Penta valent element has one electron more than 4 electrons which could be used for conduction while the trivalent elements has 1 electron less , this can also be seen as a hole
Tautomerism - Type of Isomerism (i) The type of isomerism in which a substance exist in two readily interconvertible different structures leading to dynamic equilibrium is know
Potassium permanganate is prepared from pyrolusite (MnO 2 ) . Pyrolusite is fused with KOH in the presence of atmospheric oxygen or an oxidising agent like potassium nitrate or po
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
Addition of Grignard reagents: Grignard reagents react along with carbonyl compounds to offer alcohols. Nature of alcohol lies on the nature of carbonyl compound. Addition o
what are causes of chemical bonding?
Criteria of purity of organic compounds The purity of an organic compound can be determined by ascertaining its some physical constants such as m.p., b.p., defined gravity, re
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is: (1) 11 (2) 14 (3) 16 (4) 10 An
Which carbonate mineral reacts readily with cool dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas? Many carbonate minerals.
How to synthesize xylene? How many methods(ways) to synthesize xylene?
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