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Borazole is very stable because it is aromatic; each nitrogen contributes two p electrons and each boron contributes zero electrons, for a total of six p electrons in the aromatic
Hi. I''m in year 11 and writing a chemistry report on the concentration of HCl in brick cleaner. The product I''ve chosen is a 20L solution of HCl, 30% HCl. I have to find the conc
why ionisation energy of aluminium is greater then Ga?
Physical properties of Succinic Acid (a) Succinic Acid is a white crystalline solid. It melts at 188° C (b) Succinic Acid is less soluble in water. It is comparatively more
Ortho, meta and para 1. Ortho (or 1, 2-) : if the two substituents are on the adjacent carbon atoms, the compound is said to be ortho (or 1, 2-). 2. Meta (or 1, 3-) : if the
If an electron has spin quantum number of +1/2 and a magnetic quantum number of -1 , it cannot be presented in an: (1) d -orbital (2) f -orbital (3) p -orbital (4)s-
Q. What is Entropy? Ans. The strangest thing about entropy is that it is denoted by the letter S. Entropy is the measure of the disorder in a system. A system with low en
explain about p block element
In nitromethane N-O bondlength is 1.21A° while normal N-O bondlength is 1.36 A° and for N=O it is 1.18A°..Explain why
a) During coagulation, the colloidal particles stay un-aggregated because: b) The aim during water softening is to precipitate calcium and magnesium as calcium carbonate and mag
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