Copyright © 2020 Elsevier B.V. or its licensors or contributors. (v) Dehydration of propan-2-ol to propene. Benzyl phenols are industrially important products particularly in plastic, rubber and petroleum industries. (vi) Butan-2-one to butan-2-ol. © 2017 Elsevier Inc. All rights reserved. Tell mechanism /rule used . how are the following conversions carried out... General Principles and Processes of Isolation of Elements. Explain why is ortho nitrophenol more acidic than ortho methoxyphenol? Faraday's laws of electrolysis can we come in board in 2020 to 2021 board paper ? The effect of reaction parameters were studied in detail and it was found that reaction follows second order kinetics. A 5% solution (by mass) of cane sugar in water has freezing point of 271 K. Calculate the freezing point of 5% glucose in water if freezing point of pure water is 273.15 K. Calculate the mass of urea (NH2CONH2) required in making 2.5 kg of 0.25 molal aqueous solution. An antifreeze solution is prepared from 222.6 g of ethylene glycol (C2H6O2) and 200 g of water. .fnt { Chemical test to distinguish between B u t a n − 2 − o l and 2 − m e t h y l p r o p a n e − 2 − o l is shown in IMAGE 0 2. How is 1-propoxypropane synthesised from propan-1-ol? (i) If propene is allowed to react with water in the presence of an acid as a catalyst, then propan-2-ol is obtained. A solution of glucose in water is labelled as 10% w/w, what would be the molality and mole fraction of each component in the solution? Explain on the basis of valence bond theory that [Ni(CN)4]2- ion with square planar structure is diamagnetic and the [Ni(CN)4]2- ion with tetrahedral geometry is paramagnetic. In present study, cesium salt of dodecatungstophosphoric acid (Cs2.5H0.5PW12O40, Cs-DTP) supported on mesocellular foam (MCF) silica was used as catalyst among others. } Is from organic the questions are asked from ncert back exercise and intext questions ?? First treated with zinc to form benzene then treated with ch3cl to form toluene . Rxn of ethoxy 2- methylbutane with excess of HI ... The vapour pressure of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. Find out the composition of the liquid mixture if total vapour pressure is 600 mm Hg. (iii) Bromination of phenol to 2,4,6-tribromophenol. How will you convert methanol to ethanol? Create questions or review them from home. 100% conversion of benzyl alcohol with 88% selectivity to C-alkylation. react toluene with cl2 and then NaOh to form benzyl alcohol . (ii) If benzyl chloride is treated with NaOH (followed by acidification) then benzyl alcohol is produced. How are phenols prepared from diazonium salts? If the density of the solution is 1.072 g mL-1, then what shall be the molarity of the solution? (iv) Benzyl alcohol to benzoic acid. 2 years ago, Posted by Komal Bansal 1 day, 10 hours ago, Posted by Komal Bansal 1 day, 11 hours ago, .btn { B. homologous. Catalyst is most active, selective and reusable. How will you obtain tert.butyl alcohol from isobutyl alcohol? Traditionally benzylation of phenol is carried out with benzyl chloride which is corrosive and difficult to handle, and the resultant reaction is not atom economical. lakshjain146 lakshjain146 Answer: HOPE THIS WILL HELP U OUT... DON'T FORGET TO MARK THIS ANSWER AS A BRAINLY. Here there is a difference of − H C 2 between their molecular formula. } (iv) When methyl magnesium bromide is treated with propane, an adduct is the product which gives 2-methylpropane-2-ol on hydrolysis.


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