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(a) How is aniline obtained from benzene?
(b) Why are the secondary amines more basic than primary amines? Describe.
(c) Write the complete chemical reactions for the conversion of aniline to sulphanilic acid.
(d) Mention two significant uses of sulphanilic acid.
(e) Write a chemical reaction of aniline which may differentiate it from ethylamine.
what acid would be added to limestone to form calcium chloride
Q. Determine the Number of neutrons? Isotopes of an element can as well be specified by writing the mass number of the isotope following a hyphen after the name of the element.
Physical properties of Tri-halides (i) Tri-halides is a sweet smelling colourless liquid. (ii) Tri-halides is heavy liquid. The density of it is 1.485. It boils at 61°C.
Hell Volhard-zelinsky reaction In presence of Red P and diffused light or Hell Volhard-zelinsky reaction Carboxylic acid comprising an α-hydrogen react with Cl 2 or Br 2 i
By the action of CO on methyl alcohol Methyl alcohol and carbon monoxide react together under a pressure of 30 atmospheres and 200°C in presence of a catalyst cobalt octacarbon
decomposition of carbonates
how many process there are to extracte copper from copperpyrites/
Physical properties of Halo-arenes (i) Physical state: they are colourless liquid or crystalline solid. (ii) Solubility: Halo-arenes are not soluble with water, but dissolve
Q. What is Peroxodisulphuric Acid? It is also known as perdisulphuric acid or simply persulphuric acid. The acid can be obtained by the action of chlorosulphonic acid on H 2 0
Equation shows the combustion of methane. a. By analogy, write a similar chemical equation using ethane, C 2 H 6 . b. Show this equation with Lewis structures. Answer:
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