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Explain the following observations:
(i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition elements.
(ii) Transition elements and their compounds are generally found to be good catalysts in chemical reactions.
Explain Lewis base and a nucleophile Species A is a. Carbon B is an electrophile. Carbon C is a leaving group towards carbon B but also a nucleophile towards carbon D. Carbon D
The Fermi level is The highest occupied energy level at 0 0 K.
what is pH value?
Formic Acid or Methanoic acid (HCOOH) Formic acid is the very first member of monocarboxylic acids series. It takes place in the sting of bees, wasps, red ants, stinging nettle
Electrovalent compound's: (1) Melting points are low (2) Boiling points are low (3) Conduct current in fused stat (4) Insoluble in polar solvent Ans: Conduct curre
Ingrain dyes (developed dyes) - Ingrain dyes are those that are synthesised straight on the fabric. Instances of this type of dyes are azo dyes. In this the fabric is wrapped up
Atoms in the water molecule are linked by: (1) Electrovalent bond (2)Covalent bond (3) Coordinate covalent bond (4) Odd electron bond Ans: Cov
anomalous behaviour of beryllium
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explain the principle of EDTA method
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