The preparation of benzenediazonium chloride involves reacting aniline with nitrous acid at a low temperature (273-278K, which is around 0-5°C). This reaction is a key step in the classical synthesis of diazonium salts, where the primary aromatic amine (aniline) is treated with nitrous acid (generated in situ from sodium nitrite and a strong acid like hydrochloric acid). The chemical reaction forms the diazonium chloride as a result. Thus, the correct answer is (c) Aniline
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishWhich of the following gas can be polymerised to produce a polymer when exposed to vapours of iodine?
The pressure-volume curve for a fixed temperature is called
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