Aluminum is the world's lightest metal and for this property it is used in the manufacture of airplanes and other things. This quiz focuses on inorganic Chemistry and Aluminum to be precise. All the best.
One of the products act as a catalyst
The layer of oxide on the surface aluminium slows down the reaction at the beginning
The hydrolysis of aluminium ions decreases the rate of reaction
The chloride ion has a small size and hence difficult to be polarized by the aluminium ion
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The Al3+ ion has a high charge density and developes covalent character in its ionic compounds
In water, the Al3+ ions exist as a complex ion [Al(H2O)6]3+.
An aqueous solution of Al3+ ions has a pH = 7.
If hydroxide ions are added to a solution of an aluminium salt, a white precipitate is formed.
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It is an ionic compound.
Aluminium atom undergoes sp2 hybridisation.
It is a white solid which melts when heated.
There are two coordinate covalent bonds in the molecule.
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Both aluminium fluoride and aluminium chloride are covalent compounds
Both aluminium fluoride and aluminium chloride are ionic compounds
Aluminium fluoride is an ionic compound while aluminium chloride is an covalent compound
Aluminium fluoride is an covalent compound while aluminium chloride is an ionic compound
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It is extracted by electrolysis.
Its chloride is covalent.
It is soluble in concentrated nitric acid
It is soluble in sodium hydroxide solution
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Cl2
CO2
H2S
HCl
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[Al(H2O)6]3+ ion receives a proton in aqueous solution.
[Al(H2O)6]3+ ion donates a proton in aqueous solution.
[Al(H2O)6]3+ ion disproportionate and produces H+ (aq) ions.
Acidic [Al(H2O)6OH]2+ ions are produced in solution.
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Prevent the discharge of Na+ from the dissociation of cryolite
increase the yield of aluminium
Keep the temperature of the electrolysis cell at 900 oC
increase the rate of reaction
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Al (s) + 4OH- (aq) → [Al(OH)4]- (aq)
Al (s) + 6OH- (aq) → [Al(OH)6]3- (aq)
Al (s) + 4H2O (l) → [Al(H2O)4]- (aq)
Al (s) + 3H2O (l) + OH- (aq) → [Al(OH)4]- (aq) + 3/2 H2 (g)
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aluminium oxide and hydrogen
Aluminium chloride and hydrogen
Aluminium hydroxide and hydrogen
Aluminium hydroxide and oxygen
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The lattice energy for aluminium oxide is high
Aluminium oxide has an ionic bond with covalent character
Aluminium oxide is soluble in water
Aluminium oxide is an amphoteric oxide
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To separate straight chained hydrocarbons from branched hydrocarbons.
To bind dyes.
To synthesis molecules of a specific size
As a cation exchanger
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Tetrahedron
Octahedron
Square planar
Trigonal planar
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A high boiling point of aluminium fluoride.
Amphoteric nature of aluminium hydroxide
The aluminium ion can pull the bonded electron pair in the water molecule.
A solution of [Al(H2O)6]3+ ions is acidic.
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