P-Block Elements Ques 558
Question: Bauxite ore is generally contaminated with impurity of oxides of two elements X and Y. Which of the following statement is correct?
Options:
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.
Show Answer
Answer:
Correct Answer: C
Solution:
Two oxides present in bauxite as an impurity are $ SiO_2 $ and $ Fe_2O_3. $ Si belongs to the third period and Fe to the fourth period. $ SiO_2 $ has a three dimensional structure.
