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Tests for acetone - Legal test
(a) Legal's test: while a few drops of prepared freshly sodium nitroprusside and sodium hydroxide solution are added or mixed to an aqueous solution of acetone, a wine colour is acquired that changes to yellow on standing.
Which one of the following set of quantum numbers is not possible for 4p electron : (1) n=4, l=1, m=-1, s= +1/2 (2) n=4, l=1, m=0, s= +1/2 (3) n=
Calculate the free energy change of following reaction at298 kelvin H2+I2=2HI if the enthalpy change is 51.8816kj and the entropy change is 166.15j is this reaction thermodyanamica
Benefits of flame photometry: The subsequent are the main advantages of flame photometry. It gives high sensitivity and high reliability for the determination of elemen
Explain The bromonium ion The bromonium ion derived from the reaction of cyclopentene with bromine undergoes backside substitution by water to give the trans-bromohydrin, whic
Separation of alkane, alkene and alkyne The gaseous mixture is passed via ammonical cuprous chloride solution. The alkyne (acetylene) reacts along with and makes a red preci
Carry over in steam boiler: The phenomenon of carrying of water along with impurities by steam is called "carry over". This is mainly due to priming and foaming. Priming and foami
what is electronic displacements?
Explain propene In propene, the H 3 C-C bond dipole adds vectorially to the smaller H-C bond dipole; the resultant is smaller than the H 3 C-C bond dipole itself, as th
Q. Describe about Halide Minerals? Highly electropositive alkali and alkaline earth metals tend to form halide salts, which being soluble in water are washed away into the ocea
what is the properties of alkenes and alkynes
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