17 Questions
What is the typical stoichiometry of the reaction between the heavier group 13 elements and halogens?
1:3
What is the result of hydrolysis of the halides of the group 13 elements in water?
Formation of the metal hydroxide
What is the characteristic of the trichlorides, tribromides, and triiodides of Al, Ga, and In?
More covalent in character
Which of the following is an exception in terms of its behaviour?
TlI3
What is the characteristic of the halides of the group 13 elements?
Good Lewis acids
What is the characteristic of the reaction between Al and chlorine?
Formation of AlCl3
What is unique about the reaction of group 13 elements with fluorine?
It does not require heat to proceed.
Which group 13 elements are known to form hydrides?
Al and Ga
Why do group 13 elements not react with nitrogen?
They are not electropositive enough.
What is the product of the reaction of aluminum with excess oxygen at high temperatures?
Al2O3
Why does aluminum not react with water?
A tough outer coating of Al2O3 forms on the surface.
What is the product when boron reacts with fluorine gas under normal conditions?
BF3
What is the simplest borane, formed by the reaction of boron with hydrogen?
B2H6
What is the product when boron reacts with nitrogen at high temperature?
2BN
What is the product when boron reacts with oxygen at high temperature?
B2O3
What is the product when boron reacts with halogens at high temperature?
BX3
What is unique about the reactivity of boron compared to other Group 13 elements?
It has a distinctive chemistry and is inert under normal conditions
Identify the type of oxide and its reaction with acids or bases. Learn about the reaction of group 13 elements with halogens to form compounds with 1:3 stoichiometry.
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