WebCorrect option is C) To prepare phenol, cumene is first oxidized in the presence of air to cumene hydroperoxide. Now, cumene hydroperoxide is treated with dilute acid to prepare phenol and acetone as by-products. By this method, acetone is obtained in large quantities. So, the correct option is 'C'. Solve any question of Alcohols Phenols and ... WebJan 13, 2024 · Quinone combines with the Phenol to give an additional product known as phenoquinone, which is pink in colour. Q.2. What is the industrial preparation of Phenol? Ans: The Hock process (cumene …
Preparation of Phenol - Properties, Reactions and Synthesis
WebApr 9, 2024 · Humins, humic and fulvic acids represent molecules with complex structures. These compounds comprising humic substances (HS) exist naturally in soil, brown coal, peat, and water. They are formed during the decomposition and transformation of organic matter (animal and plant remains) and their formation explains several theories. Within … WebGive simple chemical tests to distinguish between the following pairs of compounds. (i) Propanal and Propanone (ii) Acetophenone and Benzophenone (iii) Phenol and Benzoic … how many stores does lululemon have in the us
Life Free Full-Text Therapeutic Efficiency of Humic Acids in ...
WebPhenol is one of the most important chemicals in industry and it is produced from cumene process from benzene. Direct phenol synthesis from benzene and O2 is an alternative way to produce phenol efficiently. We have succeeded in preparing a HZSM-5-zeolite-supported Re catalyst, which was highly active and selective for direct phenol synthesis from … WebApr 2, 2024 · Therefore, option A is the correct answer. Note: The formation of phenol and acetone from cumene is known as cumene process or Hock's process. The formation of cumene takes place by Friedel - craft alkylation ( it is a process in which the alkylation of the aromatic ring along with an alkyl halide with the help of Lewis acid takes place) of a … WebNov 4, 2013 · A production rate of 300,000 metric tons/year of phenol is considered. In the base case, 0.66 kg of phenol and 0.41 kg of acetone are produced per kg of cumene with an energy consumption of 23,181 kJ/kg phenol. The base case design annual profit is estimated to be 50 million USD with a payback time of 2-3 years. how did the mongols lived facts