Concept explainers
(a)
Interpretation:
The formula and name of the compound that is formed by the reaction of titanium and chlorine at 300°C needs to be determined. It contains 25.25% of Ti by mass. The molecular formula and empirical formula are assumed to be same for the compound.
Concept introduction:
The group 7A elements show variation from non-metals to metals down in the group. The first element of the group 7A is fluorine with 7 valence electrons. These elements forms halide with metals and exist in X-1 ionic state.
(b)
Interpretation:
The balance equation for the reaction of Ti with chlorine at 300°C needs to be determined.
Concept introduction:
In a balanced chemical equation, the number of atoms of same elements is equal on both side of the reaction arrow.
(c)
Interpretation:
The balance equation for the reaction of TiCl4 with Mg that forms pure titanium metal needs to be determined.
Concept introduction:
In a balanced chemical equation, the number of atoms of same elements is equal on both side of the reaction arrow.
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