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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.
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The amount of energy needed to convert one mole of solid substance to vapor state is known as Sublimation energy
Metal carbonyls of transition elements constitute another important class of organometallic compounds. All d-block elements which contain only carbonyl ligands are called homolepti
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From the following which group of elements easily forms cation: (1) F, CL, Br (2) Li, Na, K (3) O, S, Se, (4)
Describe the principle and working of Mass spectrometry with suitable diagram along with its applications. Definition of Mass Spectrometry Show the principle and working
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The total number of unpaired electrons in d- orbital's of atoms of element of atomic number 29 is: (1) 10 (2) 1 (3) 0 (4)5 Ans: 0
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