Suggest name of any other Lewis acid instead of anhydrous aluminium chloride which can be used for ethylation of benzene?
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Differentiate between Bronsted acid and Lewis acid with examples.
Bronsted-Lowry Acid A Bronsted-Lowry acid, like an Arrhenius acid, is a compound that breaks down to give an H+ in solution. Lewis Acid A Lewis acid refers to an atom or molecule that...
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Classify the following species into Lewis acids and Lewis bases and show how these act as such:
(a) Hydroxyl ion is a Lewis base as it can donate an electron lone pair (OH–). (b) Fluoride ion acts as a Lewis base as it can donate any one of...
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Classify the following species into Lewis acids and Lewis bases and show how these act as Lewis acid/base:
(a) OH– is a Lewis base since it can donate its lone pair of electrons. (b) F – is a Lewis base since it can donate a pair of electrons. (c) H+...
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Name the gases produced when water reacts with: (a) Aluminium nitride (b) Aluminium carbide.
(a) Ammonia gas is formed (b) Methane is formed
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Suggest the name of a Lewis acid other than anhydrous aluminium chloride which can be used during ethylation of benzene.
The ethylation reaction of benzene involves the addition of an ethyl group on the benzene ring. Such a reaction is called a Friedel-Craft alkylation reaction. This reaction takes place in...
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Out of benzene, m-dinitro benzene and toluene which will undergo nitration most easily and why?
CH3- is a ERG while –NO2 is a EWG .Therefore electron density is more in toluene than in benzene and the electron density in m-dinitrobenzene will be less than in...
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Write the chemical formula of the following: (a) Magnesium chloride (b) Calcium oxide (c) Copper nitrate (d) Aluminium chloride (e) Calcium carbonate
(a) Magnesium chloride →MgCl2 (b) Calcium oxide →CaO (c) Copper nitrate →Cu(NO3)2 (d) Aluminium chloride →AlCl3 (e) Calcium carbonate →CaCO3
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Suggest two materials other than hydrogen that can be used as fuels in fuel cells.
Methane and methanol.
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A small amount of silica gel and a small amount of anhydrous calcium chloride are placed separately in two beakers containing water vapour.
[Hint : Silica gel : Adsorption, Anhydrous CaCl2 : Absorption, as it forms Ca- Cl2.2H2O]
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Aluminium chloride exists as dimer, Al2Cl6 in solid state as well as in solution of nonpolar solvents such as benzene.
(b) : Al2Cl6 + 12H2O ⇋ 2[Al(H2O)6 ]3+ + 6Cl–
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