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What is happen whenever H2SO4+HNO3 adding to the phenol.give the reaction Ans) Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.
name and chemical formula of blue vitriol
Highest covalent character is found in: (a1 CaF 2 (2) CaCl 2 (3) CaBr 2 (4)
What are ferrites? Ferrites are ceramic compounds containing trivalent metal having three valence electrons, iron and oxide of divalent element i.e. metals having two free ele
In which one of the following pairs of experimental observations and phenomenon does the experimental observation correctly account for phenomenon: (1) X-ray spectra
Q. Show Experimental observations of werners theory? Werner showed that his postulates are consistent with experimental observations. He made use of basically three kinds of ex
(a) De?ne surveying. Brie?y describe about chain and accessories. (b) Sketch the plan and suitable section of a single room having 5.0 m X 4m size and 3m height. Assume the ba
Applications of photochemistry in day today life
HOW TO CALCULATE STYX
in Cr atom the number of electron having n+m=3
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