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Pyroligneous acid - Aldehydes and Ketones
Pyroligneous acid consisting of acetic acid, acetone and methyl alcohol that is distilled in copper vessel and the vapours are passed via hot milk of lime. Acetic acid combines to make nonvolatile calcium acetate. The methanol and acetone's unabsorbed vapours are condensed and fractionally distilled. Acetone distills at 56° C.
So the acetone obtained is purified with the help of sodium bisulphite.
How can the enthalpy of the hydrogenation of benzene be measured from its enthalpy of combustion and the enthalpies of combustion of cyclohexane and hydrogen? Make use of Hess's la
Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/
write about deutorium
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Identify the formula and melting point of hydrate? Iron (III) chloride forms various solid hydrates, all of which melt congruently. Table lists the temperatures t of aqueous so
OXYGEN Oxygen is the second most electronegative substance after fluorine, and forms thermodynamically stable compounds with usually all elements. It rivals fluorine in the abil
NON-ELECTROLYTE SOLUTIONS Composition: A solution is a mixture of two or more substance; this consists of one or more minority substances, the solute(s), dispersed in a ma
What is the structure of a DNA molecule? Ans) The DNA molecule having of two complementary strands oriented in an anti-parallel fashion. Every strand is composed of nucleotides.
out of Kr and Rb+ ,which has greater size and why?
notes
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