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Preparation of chemical reagents I. Purpose of the Experiment A reagent is any substance in a chemical reaction. Different reagents are used for laboratory experiments
The boron trihalides are highly volatile; BF 3 (b. p., 173 K) and BCI 3 , (b. p., 260.5 K are gases, BBr 3 a volatile liquid (b. p., 319 K) and Bl 3 a low melting solid (m. p.,
ZIESE''S SALT
Starch and its derivatives Starch is a white amorphous substance along with no taste or smell. While heated to a temperature among 200-250 o C it changes into dextrin. At large
Explain cesium fluoride Compound (2), cesium fluoride, would be most likely to exist as an ionic species, due to Cs and F come from opposite corners of the periodic table.
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
Teflon - Halogen Derivatives 1. Teflon is plastic such as substance produced by the polymerisation of tetrafluoroethylene (CF 2 = CF 2 ). 2. Tetrafluoroethylene is made whi
Q. What are the Subatomic Particles? Ans: What does the inside of atom look like? Following Dalton's discovery that all matter was composed of atoms, scientists wondered i
Composition of hydrocarbon (i) Alkanes: found 30 to 70% consist of upto 40 carbon molecule. Alkanes are mainly linear chain but some are branched chain isomers. (ii) Cycloal
Q. What are the values of C and F in systems consisting of solid AgCl in equilibrium with an aqueous phase containing H 2 O, AgC(aq), Cl(aq), NaC(aq), and NO 3 (aq) prepared in th
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