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06/01/2022 2:29 pm
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Bauxite ore is generally contaminated with impurity of oxides of two elements X and Y. Which of the following statement is correct?
(a) X is a non-metal and belongs to the third period while Y is a metal and belongs to the fourth period.
(b) One of two oxides has three-dimensional polymeric structure.
(c) Both (a) and (b) are correct.
(d) None of the above.
1 Answer
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06/01/2022 2:31 pm
Correct answer: (c) Both (a) and (b) are correct.
Explanation:
Two oxides present in bauxite as an impurity are SiO2 and Fe2O3. Si belongs to the third period and Fe to the fourth period. SiO2 has a three dimensional structure.