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ASSINMENT
The number of unpaired electrons in a chromic ion Cr 3+ (atomic number = 24) is: (1) 6 (2) 4 (3) 3 (4) 1 Ans: 3
stability of cr3+ions from fe3+ions in aqueous medium
Relative strength of the bases (Basic nature of -NH2) The dissimilarity in base strength in several amines can be described on the basis of inductive effect. The +I effect incr
Q. Illustrate important catalyst of aluminium? Anhydrous AlCl 3 is an important catalyst, used in organic synthesis and in the cracking of petroleum. Al 2 (S0 4 ) 3 as such o
tie line explain in with the help of phase rule
o.5oog of a sample which contains copper is analyzed iodometrically. Copper(II) is reduced to copper(I) by the iodide. What is the percent copper in the sample if 20.00cm3 of 0.1 m
Q. Define Oxidation state of an atom? Oxidation State: Oxidation state of an atom is defined as an apparent or formal charge on that particular atom in a molecule. In majorit
What is vulcanization The process of vulcanization was discovered by Charles Good Year in 1839. He found that when natural rubber is heated with sulphur, its tensile strength,
1. Consider a platinum crystal structure (FCC, R Pt = .139 nm). a. Sketch the (100), (110), and (111) planes (including the atoms in the second layer if they can be observed
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