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Analytical test of Oxalic acid or Polyprotic acid
(a) The aqueous solution turns blue litmus red.
(b) The aqueous solution includes effervescences along with NaHCO3.
(c) The neutral solution provides a white precipitate with calcium chloride solution. Oxalic acid is insoluble in acetic acid.
(d) It decolourises hot potassium permanganate solution comprising dilute sulphuric acid.
(d) Along with hot conc. H2SO4, it evolves carbon monoxide that burns with blue flame.
The valency of phosphorus in H3 PO 4 is: (1) 2 (2) 5 (3) 4 (4) 1 Ans: 5
Longest chain Rule - IUPAC system of nomenclature The primary step in naming an organic compound is to choose the longest continuous chain of carbon atoms that may or may not
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Explain the un-ionized form of vanillin It is the un-ionized form of vanillin that has the typical odor. In NaOH solution, the phenol group ofvanillin ionizes to its conjugate
how to get 100% pure water at home?
Distinguish between van''t Hoff Method and Oswald Isolation Method. In each case give an expression for the rate of reaction.
fajan rule state that large size highly negative charged ion form covalent bond
Unsaturated dicarboxylic acids The molecular formula of the simplest unsaturated dicarboxylic acid is HOOC.CH=CH.COOH This formula, however represents two chemical compounds, m
What is the effective nuclear charge of 2s for Fe?
1st A group because the oxides and hydrides are alkaline in nature.
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