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Difference between methanol and ethanol
Methanol
Ethanol
(a) When CH3OH is heated on Cu coil it gives formalin like smell.
(a) It does not give formalin like smell.
(b) When CH3OH is heated with salicylic acid in H2SO4 (conc.) then methyl salicylate is created which has odour like winter green oil.
(b) No such odour is provided.
(c) It does not give haloform or iodoform test.
(c) It provides haloform test
does adding hcl to acetic acid and sodium acetate = more acid consumption r spodium consupmtion?>
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Describe Hall Effect? Briefly discuss physical origin and uses of Hall Effect? Ans: If a conducting bar is placed in a magnetic field B ⊥ to its axis and if a current flow
Atoms with the different numbers of neutrons and same atomic number are known as isotopes. The chemical properties of an element are determined by wildly the charge on the nucleus,
Liquid propellants - Monopropellants and Bipropellants These contain an oxidizer like liquid oxygen, nitrogen tetroxide (N 2 O 2 ) or nitric acid and a fuel for example alcohol
(a) Describe how you would carry out a series of experiments to determine the molar conductivities (Λ m ) of an electrolyte at various concentrations, starting with the measurement
Name a substance which on addition to AgCl causes vacation vacancy in it. Mention a large scale use of the phenomenon called 'reverse osmosis'.
Explain with appropriate diagrams the lever rule and Tie-line rule. Compositions of two coexisting phases of a binary system are given by tie-line rule. For overall composition
Number of nodal centres for 2s orbital: (1) 1 (2) 0 (3) 4 (4) 3 Ans: 1
Q. What is Oxidation Numbers? Ans. Chemists find it useful to describe the oxidation states of an element by means of oxidation numbers. The oxidation number of an element
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